$\displaystyle \int(1-cos^{2}x)cos^{2}xsinx dx$ thanks
Follow Math Help Forum on Facebook and Google+
Originally Posted by honestliar $\displaystyle \int(1-cos^{2}x)cos^{2}xsinx dx$ thanks Substitute u = cos x.
Originally Posted by mr fantastic Substitute u = cos x. Can you please show it step by step? Thanks
What part can you not do for yourself? If u= cos x, what is du? Do you see how that helps?
hint: let u=cos(x) then $\displaystyle \frac{du}{dx} = -sin(x)$
View Tag Cloud