Which of the following is not an identity
June 7th, 2024
Which of the following is not an identity?A.2cos2x – 1 = 1 – 2sin2xB.secx cscx(tanx + cotx) = sec2x + csc2xC.sin2x + tan2x + cos2x = sec2xD.2sin2x – sinx = 1
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