$\int_0^{10 \pi}|\sin x| d x$ is

Question

Aicharya · Accepted Answer

$\int_0^{10 \pi}|\sin x| d x=10\left[\int_0^{\pi / 2} \sin x d x+\int_{\pi / 2}^\pi \sin x d xight]$ $=10 	imes[\cos x]_0^{\pi / 2}+[\cos x]_{\pi / 2}^\pi ; \quad 10[1+1]=10 	imes 2=20$

$\int_0^{10 \pi}|\sin x| d x$ is

Solution