MCQ
$\int_0^{2\pi } {\,\,(\sin x + \cos x)\,dx = } $
  • $0$
  • B
    $2$
  • C
    $ - 2$
  • D
    $1$

Answer

Correct option: A.
$0$
a
(a) $\int_0^{2\pi } {(\sin x + \cos x)dx = [ - \cos x + \sin x]_0^{2\pi } = 0} $.

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