Question Number 104826 by Study last updated on 24/Jul/20

∫3^(x+2) ∙lnsin3^x dx=???

Commented byStudy last updated on 24/Jul/20

help me

Answered by Dwaipayan Shikari last updated on 24/Jul/20

3^2 ∫3^x log(sin3^x )dx  (3^2 /(log3))∫ulog(sinu)  (9/(log3))log(sinu)(u^2 /2)−(9/(2log3))∫u^2 cotu......continue