\[\int_{{}}^{{}}{\frac{\text{cose}{{\text{c}}^{2}}x}{1+\cot x}dx=}\] [MNR 1973]

\[\frac{1}{2{{(1+\cot x)}^{2}}}+c\]

\[\int_{{}}^{{}}{\frac{\text{cose}{{\text{c}}^{2}}x}{1+\cot x}dx=}\] [

1.	\[\int_{{}}^{{}}{\frac{\text{cose}{{\text{c}}^{2}}x}{1+\cot x}dx=}\] [MNR 1973]
A.	\[\log (1+\cot x)+c\]
B.	\[-\log (1+\cot x)+c\]
C.	\[\frac{1}{2{{(1+\cot x)}^{2}}}+c\]
D.	None of these
Answer» C. \[\frac{1}{2{{(1+\cot x)}^{2}}}+c\]

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\[\int_{{}}^{{}}{\frac{\text{cose}{{\text{c}}^{2}}x}{1+\cot x}dx=}\] [MNR 1973]

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