Using the substitution , or otherwise, find . Give your answer in terms of . Could someone explain the steps to solve this problem please? Im a wee bit confused! Cheers x
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Originally Posted by Haris Using the substitution , or otherwise, find . Give your answer in terms of . Could someone explain the steps to solve this problem please? Im a wee bit confused! Cheers x $\displaystyle \int\cos^9(x)\sin(x)dx$ By making the substitution $\displaystyle \varphi=\cos(x)$ this becomes $\displaystyle -\int\varphi^9d\varphi$
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