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Trigonometric Identities, Exact Values, and Inverse Functions – Precalculus Study Guidance
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Sum and Difference Identities
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4:47
Sum and Difference of Tangent
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811
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12
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2:42
Sum and Difference of Sine & Cosine Example 3
Callie
718
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22
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06:14
Sum and Difference of Sine & Cosine
Callie
1546
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44
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1
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Double Angle Identities
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5:06
Double Angle Identities
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1088
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19
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2:33
Double Angle Identities Example 1
Callie
709
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23
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2:26
Double Angle Identities Example 2
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631
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20
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Solving Trigonometric Equations Using Identities
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4:42
Solve Trig Equations Using Identity Substitutions
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1120
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28
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Inverse Sine, Cosine, & Tangent
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3:17
Inverse Tangent
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878
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26
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1:08
Example 1
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1263
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26
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1:25
Example 3
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717
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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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1826
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36
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1
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Common Values of Sine, Cosine, & Tangent
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6:04
Example 1
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837
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44
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5:08
Sine, Cosine, & Tangent of 30°, 45°, & 60°
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1226
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34
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