9 sin2x/tan2x = 9 sin2x * cos2x/sin2x = 9 cos2x
Aerin H.
asked • 02/06/21Verify the identity. (Simplify your answers completely.)
9sin2(t) / tan2(t) = 9cos2(t)
Use a Reciprocal Identity, and then simplify.
9sin2(t) / tan2(t) = 9sin2(t) / (_____ / cos2(t))
= (9sin2(t)) (cos2(t) / ______))
= _______
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