Question

$\frac{cosx}{cosx + 1}$
FIND THE INTEGRATION !​

Answer 1

ANSWER :

step 1 :

cosx1+cosx=1−11+cosx

step 2[identity]:

1+cosx=2cos2x2

11+cosx=sec2x22

step 3:

Integral of 1 = x

Integral of ∫sec2x22=tanx2

Answer 2

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