# Integral

### Integral

Hi everybody!

I need some help to understand the result of a an integral(please see attached image)

Where
ws = 1/2pi fs (which is constant)
Ts = 1/fs

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### Re: Integral

Your notation is not clear. Are "$$I_{2p}$$", "$$T_S$$", and "$$\omega_S$$" constants? (At first I thought $$\omega_St$$ was the variable but then I saw that $$\omega_S$$ dividing the function. If so then $$\frac{d\omega_S t}{\omega_S}= \frac{\omega_S}{\omega_S}dt= dt$$.

The only problem, then, is determining where $$sin(\omega_S t)$$ is positive and where it is negative. That is, where $$\frac{x}{\omega_S}$$ is between 0 and 180 degrees.

HallsofIvy

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