Q7 of 45 Page 7

Integrate the functions.

sin (ax + b) cos (ax + b)

Let I = ∫sin (ax + b) cos (ax + b) dx

We know that,

sin 2A = 2sinA.cosA

Therefore,

sin (ax + b) cos (ax + b) =

Let 2(ax+b) = t


⇒ 2adx = dt


⇒


=


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