## anonymous 4 years ago Factor the algebraic expression below in terms of a single trigonometric function. cos x - sin^2x - 1

1. anonymous

start by replacing $$\sin^2(x)$$ by $$1-\cos^2(x)$$ then algebra

2. anonymous

cosx-(1-cos^2x)-1 cosx-1+cos^2x-1 cosx-cos^2x-2