∫ 2sin(2x+y) dx

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- Jan 13th 2013, 05:15 AMKvandesterrenintegration
∫ 2sin(2x+y) dx

- Jan 13th 2013, 05:28 AMsbhatnagarRe: integration
$\displaystyle \int 2\sin(2x+y)dx$

substitute $\displaystyle u=2x+y$

$\displaystyle \int 2\sin(2x+y)dx = \int \sin u du = -\cos u+C$

$\displaystyle =-\cos(2x+y)+C$ - Jan 13th 2013, 08:45 PMProve ItRe: integration