First slide

Evaluation of definite integrals

Question

The value of $\int_{0}^{π} \frac{\sin 2 n x}{\sin x} d x$ is

Easy

A

0
B

1
C

$1 / 2$
D

$π / 3$

Solution

For the integrand $f (π - x) = - f (x)$ .

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