Question: Verify the identity. (Simplify at each step.) 9 cos(x) 9 sin(x) = 9 cos(2x) 9 cos(x) - 9 sin(x) = 9 (cos2(x) - sin2(x))

Verify the identity. (Simplify at each step.) 9 cos(x) 9 sin(x) =

Verify the identity. (Simplify at each step.) 9 cos(x) 9 sin(x) = 9 cos(2x) 9 cos(x) - 9 sin(x) = 9 (cos2(x) - sin2(x)) -9 (cas ]))) + sin(x)

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