This one is causing me quite the trouble.
$\displaystyle \int_\frac{-\pi}{4}^\frac{\pi}{4} cosh(tan\theta)sec^2 d\theta$
im thinking $\displaystyle \frac{e^x+e^-x}{2}$ but im cant seem to make it work, any help would be appreciated.
Thanks
This one is causing me quite the trouble.
$\displaystyle \int_\frac{-\pi}{4}^\frac{\pi}{4} cosh(tan\theta)sec^2 d\theta$
im thinking $\displaystyle \frac{e^x+e^-x}{2}$ but im cant seem to make it work, any help would be appreciated.
Thanks