Please solve this question . I am getting 2 instead of 2/3 here.

Dear Student,

Please find the below required solution.

I think the question is integrate the foloowing.Let I=(3cosec2x+2sin3x)dx      = 3cosec2xdx+2sin3xdx      = 3(-cotx)+2-cos3x3+c             [ Since cosec2xdx=-cotx, sinaxdx = -(cosax/a) ]       = -3cotx-23cos3x+c

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