Choose: Which of the following is not an identity? A. secx cscx(tanx + cotx) = sec^2x + csc^2x B. 2sin^2x - sinx = 1 C. cos^2x + sin^2x D. 2cos^2x - 1 = 1 - 2sin^2x
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Step 1: Start with the given identities: - A: sec(x) csc(x)(tan(x) cot(x)) = sec(x) + csc(x) - B: 2sin^2(x) = 1 - C: cos(x) + sin^2(x) = 0 - D: 2cos^2(x) - 1 = 2sin(x) Show more…
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