Table of contents
- 0. Review of College Algebra4h 43m
- 1. Measuring Angles39m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations2h 34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
6. Trigonometric Identities and More Equations
Introduction to Trigonometric Identities
Multiple Choice
Multiple ChoiceSelect the expression with the same value as the given expression.
sin(−38°)
A
sin38°
B
−sin38°
C
−sin(−38°)
D
−sin38°1
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Related Practice
Textbook Question
In Exercises 1–60, verify each identity.
sin x sec x = tan x
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Introduction to Trigonometric Identities practice set
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