Mathematics, 22.06.2019 07:50 tilacohen

Which of the following is not an identity? o a. cos2x cscx-cscx = -sinx o b. csczx+ sec2x = 1 o c. cos2x-sin2x = 1- 2 sin2x o d. sinx(cotx + tanx) = secx

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Which of the following is not an identity? o a. cos2x cscx-cscx = -sinx o b. csczx+ sec2x = 1 o c....

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