_0^ /3 3x ,dx = - Vidyadip

MCQ

$\int_0^{\pi /3} {\cos 3x\,dx = } $

A
$\pi $
✓
$0$
C
$\frac{\pi }{2}$
D
$\frac{\pi }{4}$

✓

Answer

Correct option: B.

$0$

b
(b) Required value is $\left[ {\frac{{\sin 3x}}{3}} \right]_0^{\pi /3} = 0$.

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