Q9 of 865 Page 20

Evaluate the following integrals:

Assume x - cosx = t


⇒ d(x - cosx) = dt


⇒ (1 + sinx )dx = dt


∴ Substituting t and dt in given equation we get


⇒


⇒


⇒


But t = x – cosx.


⇒ 2(x - cosx)1/2 + c.


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