Question
Find the integral: $\int(\sin x+\cos x) d x$
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Answer
We have
$\int(\sin x+\cos x) d x=\int \sin x d x+\int \cos x d x$
= -cos x + sin x + C
$\int(\sin x+\cos x) d x=\int \sin x d x+\int \cos x d x$
= -cos x + sin x + C
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