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Trigonometry Exam & Worksheet Step-by-Step Guidance

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Trigonometric Functions on Right Triangles

  • How to Use a Calculator for Trig Functions
    4:45
  • Example 1
    1:37
  • Introduction to Trigonometric Functions
    6:04

Angles in Standard Position

  • 가이드 코스
    Example 1
    3:59
  • 가이드 코스
    Drawing Angles in Standard Position
    05:50

Complementary and Supplementary Angles

  • 가이드 코스
    Solving Problems with Complementary & Supplementary Angles
    2:28
  • 가이드 코스
    Intro to Complementary & Supplementary Angles
    3:35
  • 가이드 코스
    Example 1
    3:04

Cofunctions of Complementary Angles

  • Using Cofunction Identities to Solve Equations
    4:42
  • Cofunction Identities
    6:30

Radians

  • 가이드 코스
    Converting between Degrees & Radians
    5:04

Defining the Unit Circle

  • Introduction to the Unit Circle
    06:11

Trigonometric Functions on the Unit Circle

  • Sine, Cosine, & Tangent on the Unit Circle
    6:34

Common Values of Sine, Cosine, & Tangent

  • Example 1
    6:04
  • Sine, Cosine, & Tangent of 30°, 45°, & 60°
    5:08

Reference Angles

  • Trig Values in Quadrants II, III, & IV
    5:30
  • Reference Angles on the Unit Circle
    5:31
  • Coterminal Angles on the Unit Circle
    3:47

Reciprocal Trigonometric Functions on the Unit Circle

  • Secant, Cosecant, & Cotangent on the Unit Circle
    3:23

Introduction to Trigonometric Identities

  • Simplifying Trig Expressions
    6:36
  • Even and Odd Identities
    06:19
  • Example 4
    5:18

Sum and Difference Identities

  • Example 3
    2:42
  • Verifying Identities with Sum and Difference Formulas
    2:25
  • Example 6
    6:20

Double Angle Identities

  • Example 2
    2:26
  • Example 3
    2:55
  • Example 1
    2:33

Inverse Sine, Cosine, & Tangent

  • Example 2
    1:20
  • Inverse Tangent
    3:17
  • Example 3
    1:25

Linear Trigonometric Equations

  • Introduction to Trig Equations
    4:25
  • Example 2
    2:17
  • How to Solve Linear Trigonometric Equations
    4:34

Solving Trigonometric Equations Using Identities

  • Solve Trig Equations Using Identity Substitutions
    04:42

Law of Sines

  • 가이드 코스
    Example 1
    4:02
  • 가이드 코스
    Solving SAA & ASA Triangles
    7:23
  • 가이드 코스
    Solving SSA Triangles ("Ambiguous" Case)
    9:50

Law of Cosines

  • 가이드 코스
    Intro to Law of Cosines
    4:35
  • 가이드 코스
    Solving SAS & SSS Triangles
    7:50

Area of SAS & ASA Triangles

  • 가이드 코스
    Calculating Area of ASA Triangles
    4:30
  • 가이드 코스
    Example 1
    5:30
  • 가이드 코스
    Calculating Area of SAS Triangles
    4:02

Solving Right Triangles

  • Finding Missing Angles
    5:13
  • Example 1
    4:56
  • Example 2
    3:22