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How about Chebyshev?

Calculus Level 3

Compute

$\large \int_0^{\pi /2} \frac{ \sin(2015x) }{\sin(x)} \, dx.$

\frac\pi4

\frac\pi6

\frac\pi2

\frac\pi3

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Excel in math and science

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by Pi Han Goh

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