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Question

Given that tan A, tan B are the roots of the equation x2 - px + q = 0, then the value of sin2(A + B) is


A

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B

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C

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D

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Solution

The correct option is A


tan A + tan B = p, tan A tan B = q

tan(A + B) = p1q, sin2(A + B) = tan2(A + B) sec2(A + B)


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