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Question : 64 of 160
Marks:
+1,
-0
Solution:
∫excosecxcosecx(1−x‌cot‌x)dx Put,
xcosecx=t Differentiate w.r.to'
x '
x⋅‌cosecx+cosecx⋅‌⋅x=‌f x(−cosecx⋅cot‌x)+cosecx(1)=‌ cosecx(l−x‌cot‌x)dx=dt=∫et.dt =et+c=excosecx+c
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