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Step-by-Step Guidance for Plane Trigonometry Practice Test 1

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Radians

  • Guided course
    Converting between Degrees & Radians
    5:04

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

Law of Sines

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

Law of Cosines

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

Area of SAS & ASA Triangles

  • Guided course
    Calculating Area of ASA Triangles
    4:30
  • Guided course
    Example 1
    5:30
  • Guided course
    Calculating Area of SAS Triangles
    4:02

Solving Right Triangles

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

Linear Trigonometric Equations

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