MCQ
$\frac{d}{d x}(\sin x-\cos x)=$
  • A
    $\cos x-\sin x$
  • $\cos x+\sin x$
  • C
    $\sin x-\cos x$
  • D
    $-\sin x-\cos x$

Answer

Correct option: B.
$\cos x+\sin x$
B

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