Evaluate the integral: ∫cos(log x)/x dx – InterviewSolution

1.

Evaluate the integral: ∫cos(log x)/x dx

Answer»

Take log x = t

So we get

1/x dx = dt

By integrating w.r.t. t

∫cos t dt = sin t + c

By substituting the value of t

= sin (log x) + c

Discussion

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