Table of contents
- 0. Review of College Algebra(0)
- 1. Measuring Angles(0)
- 2. Trigonometric Functions on Right Triangles(0)
- 3. Unit Circle(0)
- 4. Graphing Trigonometric Functions(0)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(0)
- 6. Trigonometric Identities and More Equations(0)
- 7. Non-Right Triangles(0)
- 8. Vectors(0)
- 9. Polar Equations(0)
- 10. Parametric Equations(0)
- 11. Graphing Complex Numbers(0)
3. Unit Circle
Trigonometric Functions on the Unit Circle
3. Unit Circle
Trigonometric Functions on the Unit Circle: Videos & Practice Problems
98 of 0
Problem 98Multiple Choice
Evaluate the following expression by using a calculator:
cos (43° 27') cos (46° 33') - sin (43° 27') sin (46° 33')
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