$\ I_n = \int \cos^n \theta d\theta$
Find a recursive equation to express $\ I_n $ in terms of $\ I_n-_2 $. Find $\ I_6 $ and $\ I_7 $ as well.
$\ I_n = \int \cos^n \theta d\theta$
Find a recursive equation to express $\ I_n $ in terms of $\ I_n-_2 $. Find $\ I_6 $ and $\ I_7 $ as well.