Table of contents
- 0. Review of College Algebra(270)
- 1. Measuring Angles(327)
- 2. Trigonometric Functions on Right Triangles(196)
- 3. Unit Circle(214)
- 4. Graphing Trigonometric Functions(181)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(213)
- 6. Trigonometric Identities and More Equations(334)
- 7. Non-Right Triangles(117)
- 8. Vectors(151)
- 9. Polar Equations(81)
- 10. Parametric Equations(0)
- 11. Graphing Complex Numbers(91)
6. Trigonometric Identities and More Equations
Introduction to Trigonometric Identities
6. Trigonometric Identities and More Equations
Introduction to Trigonometric Identities: Study with Video Lessons, Practice Problems & Examples
134PRACTICE PROBLEM
Determine the exact value of the given trigonometric expression using the half-angle identity.
sin202.5°
Determine the exact value of the given trigonometric expression using the half-angle identity.