Table of contents
- 0. Review of College Algebra(284)
- 1. Measuring Angles(327)
- 2. Trigonometric Functions on Right Triangles(205)
- 3. Unit Circle(231)
- 4. Graphing Trigonometric Functions(191)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(213)
- 6. Trigonometric Identities and More Equations(334)
- 7. Non-Right Triangles(117)
- 8. Vectors(160)
- 9. Polar Equations(82)
- 10. Parametric Equations(9)
- 11. Graphing Complex Numbers(91)
3. Unit Circle
Defining the Unit Circle
3. Unit Circle
Defining the Unit Circle: Study with Video Lessons, Practice Problems & Examples
4PRACTICE PROBLEM
An acute angle α and trigonometric functions sin α and cos α are given. Find the remaining trigonometric functions tan α, cot α, sec α, and csc α, by using identities.
sin α = 5/13, cos α = 12/13
An acute angle α and trigonometric functions sin α and cos α are given. Find the remaining trigonometric functions tan α, cot α, sec α, and csc α, by using identities.
sin α = 5/13, cos α = 12/13