Find the amplitude of the function.
-$$y = - 3 \sin x$$
A) $- 3 \pi$
B) $2 \pi$
C) 3
D) $\frac { \pi } { 3 }$

Name: Find the amplitude of the function. -\[y = - 3 \sin x\] A) $- 3 \pi$ B) $2 \pi$ C) 3 D) $\frac { \pi } { 3 }$
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Question

Quizplus · Accepted Answer

The amplitude of a trigonometric function like $y = a \sin x$ or $y = a \cos x$ is given by the absolute value of the coefficient of the sine or cosine term. In this case, the coefficient is $-3$, so the amplitude is $| -3 | = 3$.

Find the Amplitude of the Function y=−3sin⁡xy = - 3 \sin xy=−3sinx

Find the Amplitude of the Function $y = - 3 \sin x$