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OpenStudy (anonymous):
Factor the algebraic expression below in terms of a single trigonometric function. cos x - sin^2x - 1
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OpenStudy (anonymous):
start by replacing \(\sin^2(x)\) by \(1-\cos^2(x)\) then algebra
OpenStudy (anonymous):
cosx-(1-cos^2x)-1 cosx-1+cos^2x-1 cosx-cos^2x-2
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