Mathematics, 10.12.2020 09:10 Shamiyah732
Use the cosine double-angle identity cos(2θ) = 2cos^2θ-1 to derive an identity for cos^2θ SHOW YOUR WORK IN STEPS PLEASE. ANSWER ASAP IF U CAN.
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Use the cosine double-angle identity cos(2θ) = 2cos^2θ-1 to derive an identity for cos^2θ
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