兀f(x) = sin' x cos? x | p, q > 0; 0 < x <_ | has2point of maxima at( – InterviewSolution

1.	兀f(x) = sin' x cos? x \| p, q > 0; 0 < x <_ \| has2point of maxima at(A) x = tan-1111의(B) x = tan-1(C) no such point exist(D) of these
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