pi-2-pi-2-cosx-

Question Number 123509 by Jamshidbek2311 last updated on 26/Nov/20

\underset{- \frac{π}{} 2}{\int^{\frac{π}{2}}} ∣ c o s x ∣= ?

Answered by bramlexs22 last updated on 26/Nov/20

= \underset{- π / 2}{\int^{π / 2}} ∣ \cos x ∣ d x = 2 \underset{0}{\int^{π / 2}} \cos x d x

{= 2 (\sin x)]}_{0}^{π / 2} = 2