Question

cos2x-cos 2017 COS X-Cosa dx

JEE/Engineering Exams

Maths

Solution

4.0 (1 ratings)

( left.operatorname{sot} iint frac{cos 2 x-cos 2 alpha}{cos x-cos alpha}right) d x ) ( int frac{cos ^{2} x-1-left(cos ^{2} alpha-1right)}{cos x-cos alpha} d x ) ( intleft(frac{cos ^{2} x-cos ^{2} alpha}{cos x-cos ^{2} alpha}right) d x ) ( =int(cos x+cos alpha) d x ) ( sin x+x cos alpha+c )