1.

\[\int_{{}}^{{}}{\frac{3\cos x+3\sin x}{4\sin x+5\cos x}\ dx=}\][EAMCET 1991]

A. \[\frac{27}{41}x-\frac{3}{41}\log (4\sin x+5\cos x)\]
B. \[\frac{27}{41}x+\frac{3}{41}\log (4\sin x+5\cos x)\]
C. \[\frac{27}{41}x-\frac{3}{41}\log (4\sin x-5\cos x)\]
D. None of these
Answer» B. \[\frac{27}{41}x+\frac{3}{41}\log (4\sin x+5\cos x)\]


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