Let \( \mathrm{f}(\mathrm{x})=\cos \mathrm{x}+\sin \mathrm{x}-1 \) ...

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

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