\[\int_{{}}^{{}}{\frac{\cos x-\sin x}{1+\sin 2x}\ dx=}\] [AISSE 1985]

\[\int_{{}}^{{}}{\frac{\cos x-\sin x}{1+\sin 2x}\ dx=}\] [A

1.	\[\int_{{}}^{{}}{\frac{\cos x-\sin x}{1+\sin 2x}\ dx=}\] [AISSE 1985]
A.	\[-\frac{1}{\cos x+\sin x}+c\]
B.	\[\frac{1}{\cos x+\sin x}+c\]
C.	\[\frac{1}{\cos x-\sin x}+c\]
D.	None of these
Answer» B. \[\frac{1}{\cos x+\sin x}+c\]

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\[\int_{{}}^{{}}{\frac{\cos x-\sin x}{1+\sin 2x}\ dx=}\] [AISSE 1985]

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