A Math

A Math (IGCSE)

<p>Find $\int \sec(2\theta) \tan(2\theta) \, \mathrm{d}\theta$.</p>

Find $\int \sec(2\theta) \tan(2\theta) \, \mathrm{d}\theta$.

<p>$\displaystyle\int_{0}^{\frac{\pi }{4}}{{{\cos }^{4}}y\sin y}\mathrm{ d}x$</p>

$\displaystyle\displaystyle \displaystyle\int_{0}^{\frac{\pi }{4}}{{{\cos }^{4}}y\sin y}\mathrm{ d}x$