Question 11 Зсos3x-1 To evaluate f scos - dx, the integrand can be transformed to 1-sin?x A.) [(3cos³x + csc?x)dx В.) Ј3 cos x (1- sec2x)dx C.) S(3tan²x – csc²x)dx D.) S(3 cos x – sec?x)dx A D B (C) в D A

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A: According to the problem, we have

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A: Explanation of the answer is as follows

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A: