Hello Q) ∫ sin x cos^n x dx If you could let me know which identity to use that would be a great help. Thank you.
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Originally Posted by anees7112 Hello Q) ∫ sin x cos^n x dx If you could let me know which identity to use that would be a great help. Thank you. Use the substition $\displaystyle u = \cos(x) \implies du=-\sin(x)$ This gives the integral $\displaystyle -\int u^ndu$
Ah I see. Thank you very much, TheEmptySet!
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