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)
6. Trigonometric Identities and More Equations
Sum and Difference Identities
6. Trigonometric Identities and More Equations
Sum and Difference Identities: Study with Video Lessons, Practice Problems & Examples
Back to all problems
22PRACTICE PROBLEM
Under the given circumstances, determine the exact value of the expression provided:
sin(A +B), sinA = -1/7, π < A < 3π/2 and cosB = -1/7, π < B < 3π/2
Under the given circumstances, determine the exact value of the expression provided:
sin(A +B), sinA = -1/7, π < A < 3π/2 and cosB = -1/7, π < B < 3π/2