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Precalculus Trigonometry and Analytic Geometry Study Guide (Ch. 4–4.8)
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Trigonometric Functions on the Unit Circle
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6:34
Sine, Cosine, & Tangent on the Unit Circle
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Common Values of Sine, Cosine, & Tangent
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6:04
Example 1
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5:08
Sine, Cosine, & Tangent of 30°, 45°, & 60°
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Reference Angles
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5:31
Reference Angles on the Unit Circle
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3:47
Coterminal Angles on the Unit Circle
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3:03
Example 1
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Solving Right Triangles
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4:18
Finding Missing Side Lengths
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3:22
Example 2
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5:13
Finding Missing Angles
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Graphs of the Sine and Cosine Functions
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5:05
Amplitude and Reflection of Sine and Cosine
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2:18
Example 1
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5:53
Graph of Sine and Cosine Function
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Phase Shifts
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6:31
Phase Shifts
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3:42
Example 1
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Introduction to Trigonometric Identities
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6:36
Simplifying Trig Expressions
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2:20
Example 1
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5:18
Example 4
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