CPM Homework Banner

Home > PC > Chapter 9 > Lesson 9.3.1 > Problem 9-105

9-105.

Solve 8 cos x sin x = 2 for all values of x. Homework Help ✎

Use the double angle formula:
2cosx · sinx = sin2x

4(2cosx · sinx) = 2

4(sin2x) = 2