The proper substitution is

x=3sin\\\\theta

. (Type an expression using

\\\\theta

as the variable.)\ Find the transformed integral. Choose the correct answer below.\ A.

\\\\int sin^(2)\\\\theta d\\\\theta

\ B.

\\\\int 3sin^(2)\\\\theta d\\\\theta

\ C.

\\\\int sec^(2)\\\\theta d\\\\theta

\ D.

\\\\int cot^(2)\\\\theta d\\\\theta

\ E.

\\\\int 3sec^(2)\\\\theta d\\\\theta

\ F.

\\\\int csc^(2)\\\\theta d\\\\theta

\ G.

\\\\int 3cot^(2)\\\\theta d\\\\theta

\ H.

\\\\int 3csc^(2)\\\\theta d\\\\theta

The proper substitution is x=3sin. (Type an expression using as the variable.) Find the transformed integral. Choose the correct answer below. A. sin2d B. 3sin2d C. sec2d D. cot2d E. 3sec2d F. csc2d G. 3cot2d H. 3csc2d