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# Integration by Substitution for a Sine Function

SVCALC-IUWCPO

Compute the indefinite integral:

$$\int \sin (3x) dx$$

A

$-\cos(3x) + C$

B

$\dfrac{1}{3}\cos(3x) + C$

C

$-\dfrac{1}{3}\cos(3x) + C$

D

$\cos(3x) + C$