Use identities to simplify each expression: sin^2x - cos^2x / 1 - 2cos^2x
Added by Tara V.
Step 1
First, we can use the identity sin^2x + cos^2x = 1 to rewrite the numerator as: sin^2x - cos^2x = (sin^2x + cos^2x) - 2cos^2x = 1 - 2cos^2x Show more…
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