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Which of the following trig identities is not true? Select one: ' a. sin2(x) + cosz(x) = 12 b. 1 = sec2(x) tan2(x) c. tan2(x)

Which of the following trig identities is not true? Select one: ' a. sin2(x) + cosz(x) = 12 b. 1 = sec2(x) tan2(x) c. tan2(x) + sec2(x) = 1 d. (4 sin(x))2 + (4 cos(x))2 = 16 e. 1 + tan2(x) = sec2(x)

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