Poke | Trigonometry

Trigonometry

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Finding the Quadrant in Which an Angle Lies - Example 1

Patrick J
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Finding the Quadrant in Which an Angle Lies - Example 2

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Finding the Quadrant in Which an Angle Lies - Example 3

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Coterminal Angles - Example 1

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Coterminal Angles - Example 2

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Complementary and Supplementary Angles - Example 1

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Complementary and Supplementary Angles - Example 2

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Degrees to Radians

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Arc Length Formula - Example 1

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Arc Length Formula - Example 2

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Finding Trigonometric Function Values Given One Trig Value in a Right Triangle, Ex 1

Patrick J
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Finding Trigonometric Function Values Given One Trig Value in a Right Triangle, Ex 2

Patrick J
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Finding Trigonometric Function Values Given One Trig Value in a Right Triangle, Ex 3

Patrick J
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Finding an Angle Given the Value of a Trigonometric Function - Example 1

Patrick J
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Finding an Angle Given the Value of a Trigonometric Function - Example 2

Patrick J
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Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 1

Patrick J
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Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 2

Patrick J
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Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 3

Patrick J
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Finding the Height of an Object Using Trigonometry, Example 1

Patrick J
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Finding the Height of an Object Using Trigonometry, Example 2

Patrick J
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Finding the Height of an Object Using Trigonometry, Example 3

Patrick J
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Degrees and Radians : Switch Between Them

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❖ A Way to remember the Entire Unit Circle for Trigonometry ❖

Patrick J
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Quick Trick to Remember Values on The Unit Circle

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Evaluating Trigonometric Functions for an Unknown Angle, Given a Point on the Angle, Ex 1

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Evaluating Trigonometric Functions for an Unknown Angle, Given a Point on the Angle, Ex 2

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Reference Angle for an Angle

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Reference Angle for an Angle, Ex 2 (Using Radians)

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Evaluating Trigonometric Functions Using the Reference Angle, Example 2

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Evaluating Trigonometric Functions Using the Reference Angle, Example 1

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Finding Trigonometric Values Given One Trigonometric Value/Other Info, Example 1

Patrick J
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Finding Trigonometric Values Given One Trigonometric Value/Other Info, Example 2

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Evaluating Trigonometric Functions at Important Angles, Ex 1

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Evaluating Trigonometric Functions at Important Angles, Ex 2

Patrick J
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The Graph of Cosine, y = cos (x)

Patrick J
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Graphing Sine and Cosine With Different Coefficients (Amplitude and Period), Ex 1

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Graphing y = -2 cos(2x)

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Maximum and Minimum Values of Sine and Cosine Functions, Ex 1

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Maximum and Minimum Values of Sine and Cosine Functions, Ex 2

Patrick J
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Graphing Sine and Cosine with Phase (Horizontal) Shifts, Example 1

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Graphing Sine and Cosine with Phase (Horizontal) Shifts, Example 2

Patrick J
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Trigonometric Functions and Graphing: Amplitude, Period, Vertical and Horizontal Shifts, Ex 2

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Basic Questions Related to Tangent, Cotangent, Secant, Cosecant, Ex 1

Patrick J
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Basic Questions Related to Tangent, Cotangent, Secant, Cosecant, Ex 2

Patrick J
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Basic Questions Related to Tangent, Cotangent, Secant, Cosecant, Ex 4

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Finding a Formula for a Trigonometric Graph, Ex 1 (Secant Graph)

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Finding a Formula for a Trigonometric Graph, Ex 2 (Tangent)

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❖ Trigonometry Word Problem, Finding The Height of a Building, Example 1 ❖

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Trigonometry Word Problem, Example 2

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Trigonometry Word Problem, Determining the Speed of a Boat, Example 3

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Simplifying Trigonometric Expressions Using Identities, Example 1

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Simplifying Trigonometric Expressions Using Identities, Example 2

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Simplifying Trigonometric Expressions Using Identities, Example 3

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Simplifying Trigonometric Expressions Involving Fractions, Ex 1

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Simplifying Trigonometric Expressions Involving Fractions, Example 2

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Simplifying Products of Binomials Involving Trigonometric Functions, Ex 1

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Simplifying Products of Binomials Involving Trigonometric Functions, Ex 2

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Factoring Trigonometric Expressions, Example 1

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Factoring and Simplifying Trigonometric Expressions - Example 2

Patrick J
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Examples with Trigonometric Functions: Even, Odd or Neither, Example 1

Patrick J
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Examples with Trigonometric Functions: Even, Odd or Neither, Example 2

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Examples with Trigonometric Functions: Even, Odd or Neither, Example 3

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Even, Odd or Neither, Trigonometric Functions, Example 4

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Proving an Identity, Example 1

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Proving an Identity, Example 2

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Proving an Identity - Other Examples, Example 1

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Proving an Identity - Other Examples, Example 2

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Solving a Basic Trigonometric Equation, Example 1

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Solving a Basic Trigonometric Equation, Example 2

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Solving a Basic Trigonometric Equation, Example 3

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Solve Trigonometric Equation by Factoring, Example 1

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Solving a Trigonometric Equation by Factoring, Example 2

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Solving a Trigonometric Equation by Factoring, Example 3

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Solving Trigonometric Equation, Harder Example - Example 1

Patrick J
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Solving Trigonometric Equation, Harder Example - Example 2

Patrick J
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Solving Trigonometric Equation , Harder Example - Example 3

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Solving Trigonometric Equations Using the Quadratic Formula - Example 1

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Solving Trigonometric Equations Using the Quadratic Formula - Example 2

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Solving Trigonometric Equations Using the Quadratic Formula - Example 3

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Solving Word Problems Involving Trigonometric Equations, Example 1

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Solving Word Problems Involving Trigonometric Equations, Example 2

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Identities for Sum and Differences of Sine and Cosine, Example 1

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Identities for Sum and Differences of Sine and Cosine, Example 2

Patrick J
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Identities for Sum and Differences of Sine and Cosine, Example 3

Patrick J
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Sum and Difference Identities for Sine and Cosine, More Examples #1

Patrick J
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Sum and Difference Identities for Sine and Cosine, More Examples #2

Patrick J
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Sum and Difference Identities for Sine and Cosine, More Examples #3

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Sum and Difference Identities to Simplify an Expression, Example 1

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Sum and Difference Identities to Simplify an Expression, Example 2

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Sum and Difference Identities to Simplify an Expression, Example 3

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Using the Sum and Difference Identities for Sine, Cosine and Tangent, Ex 1

Patrick J
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Using the Sum and Difference Identities for Sine, Cosine and Tangent, Ex 2

Patrick J
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Using the Sum and Difference Identities for Sine, Cosine and Tangent, Ex 3

Patrick J
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Using Double Angle Identities to Solve Equations, Example 1

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Using Double Angle Identities to Solve Equations, Example 2

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Using Double Angle Identities to Solve Equations, Example 3

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Word Problems Involving Multiple Angle Identities, Example 1

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Word Problems Involving Multiple Angle Identities, Example 2

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Word Problems Involving Multiple Angle Identities, Example 3

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Cofunction Identities, Example 2

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Cofunction Identities, Example 3

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Power Reducing Formulas for Sine and Cosine, Example 1

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Power Reducing Formulas for Sine and Cosine, Example 2

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Half Angle Identities to Evaluate Trigonometric Expressions, Example 1

Patrick J
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Half Angle Identities to Evaluate Trigonometric Expressions, Example 2

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Half Angle Identities to Evaluate Trigonometric Expressions, Example 3

Patrick J
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The Law of Sines, Example 1

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The Law of Sines, Example 2

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Law of Sines, Example 3

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Side Angle Side for Triangles, Finding Missing Sides/Angles, Example 1

Patrick J
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Side Angle Side for Triangles, Finding Missing Sides/Angles, Example 2

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Solving a Triangle, SSA, Example 1

Patrick J
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Solving a Triangle, SSA, Example 2

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Law of Sines - Application/Word Problem, Ex 1

Patrick J
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Law of Sines - Application / Word Problem, Ex 2

Patrick J
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Law of Sines - Application/Word Problem, Ex 3

Patrick J
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Heron's Formula, Example 1

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Heron's Formula, Ex 2

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Heron's Formula, Example 3

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Law of Cosines, Example 1

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Law of Cosines, Example 2

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Law of Cosines, Example 3

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Law of Cosines, Example 4

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Law of Cosines, Example 5

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Law of Cosines, Example 6

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Law of Cosines, Word Problem #1

Patrick J
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An Introduction to Vectors, Part 1

Patrick J
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When Are Two Vectors Considered to Be the Same?

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❖ Magnitude and Direction of a Vector, Example 1 ❖

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Magnitude and Direction of a Vector, Example 2

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Magnitude and Direction of a Vector, Example 3

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Vector Addition and Scalar Multiplication, Example 1

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Vector Addition and Scalar Multiplication, Example 2

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Finding the Components of a Vector, Ex 1

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Finding the Components of a Vector, Ex 2

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Finding a Unit Vector, Ex 1

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Finding a Unit Vector, Ex 2

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Word Problems Involving Velocity or Other Forces (Vectors), Ex 1

Patrick J
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Word Problems Involving Velocity or Other Forces (Vectors), Ex 2

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Word Problems Involving Velocity or Other Forces (Vectors), Ex 3.

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Complex Numbers: Graphing and Finding the Modulus, Ex 1

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Complex Numbers: Graphing and Finding the Modulus, Ex 2

Patrick J
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Expressing a Complex Number in Trigonometric or Polar Form, Ex 1

Patrick J
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Expressing a Complex Number in Trigonometric or Polar Form, Ex 2

Patrick J
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Expressing a Complex Number in Trigonometric or Polar Form, Ex 3

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Complex Numbers: Convert From Polar to Complex Form, Ex 1

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Complex Numbers: Multiplying and Dividing in Polar Form, Ex 1

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Complex Numbers: Multiplying and Dividing in Polar Form, Ex 2

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DeMoivre's Theorem: Raising a Complex Number to a Power, Ex 1

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DeMoivre's Theorem: Raising a Complex Number to a Power, Ex 2

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DeMoivre's Theorem: Raising a Complex Number to a Power, Ex 3

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Roots of Complex Numbers

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Roots of Complex Numbers, Ex 2

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Roots of Complex Numbers, Ex 3

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More Roots of Complex Numbers, Ex 1

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More Roots of Complex Numbers, Ex 2

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Roots of Unity, Example 1

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Roots of Unity, Ex 2

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Intro to Polar Coordinates, Ex 1

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Converting Between Polar and Rectangular (Cartesian) Coordinates, Ex 3

Patrick J
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Converting Between Polar and Rectangular Equations, Ex 1

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Converting Between Polar and Rectangular Equations, Ex 2

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Converting Between Polar and Rectangular Equations, Ex 3

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Graphing Simple Polar Equations, Ex 1

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Graphing Simple Polar Equations, Ex 2

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Graphing Special Polar Equations, Ex 1

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Graphing Special Polar Equations; How Many Petals Will a Graph Have?

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Basic Info About a Limacon

Patrick J
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