Table of contents
- 0. Review of College Algebra(290)
- 1. Measuring Angles(322)
- 2. Trigonometric Functions on Right Triangles(206)
- 3. Unit Circle(240)
- 4. Graphing Trigonometric Functions(191)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(206)
- 6. Trigonometric Identities and More Equations(341)
- 7. Non-Right Triangles(117)
- 8. Vectors(166)
- 9. Polar Equations(96)
- 10. Parametric Equations(15)
- 11. Graphing Complex Numbers(91)
3. Unit Circle
Trigonometric Functions on the Unit Circle
3. Unit Circle
Trigonometric Functions on the Unit Circle: Videos & Practice Problems
47PRACTICE PROBLEM
Considering the interval [0, 2π), find the exact values of p.
cos2 p = 3/4
Considering the interval [0, 2π), find the exact values of p.
cos2 p = 3/4