题目

int (sin )^3x(cos )^5xdx= __ A.int (sin )^3x(cos )^5xdx= __ B.int (sin )^3x(cos )^5xdx= __ C.int (sin )^3x(cos )^5xdx= __ D.int (sin )^3x(cos )^5xdx= __

A.

B.

C.

D.

题目解答

答案

A. $-\dfrac {1}{8}{\cos }^{8}x-\dfrac {1}{6}{\cos }^{6}x+C$