integrate with respect to x, trig identity present

**bobmarly12345** · April 2nd 2012, 06:14 AM

integrate with respect to x:

(1 + cos 2.pi.n.t)dt

**Prove It** · April 2nd 2012, 05:54 PM

Originally Posted by bobmarly12345

integrate with respect to x:

(1 + cos 2.pi.n.t)dt

Assuming that you wanted to integrate this with respect to t (since there are not any x terms)

$\displaystyle \begin{align*} \int{1 + \cos{\left(2\pi n t\right)}\,dt} &= t + \frac{1}{2\pi n}\sin{\left(2\pi n t\right)} + C \end{align*}$

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integrate with respect to x, trig identity present

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