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What is the integral of $\int sin (e^{t})$ $int sin (e^t)$ ?

1 Answer

Jan 21, 2016

It is called the sine integral. It cannot be expressed using a finite sum of more elementary functions.

Explanation:

You can read more about the sine integral here: http://mathworld.wolfram.com/SineIntegral.html .

and here:
http://functions.wolfram.com/GammaBetaErf/SinIntegral/

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