Let \( f(x)=\cos x+\sin x-1 \) and \( g(x)=\sin 2 x-2 \). If the equation \( \mathrm{f}(\mathrm{...

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Let \( f(x)=\cos x+\sin x-1 \) and \( g(x)=\sin 2 x-2 \).
If the equation \( \mathrm{f}(\mathrm{x})=\mathrm{k} \) has atleast one real solution then the number of possible integral values of \( \mathrm{k} \)
\( P \) is equal to

W
(A) 1
(B) 2
(C) 3
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