Give the amplitude or period as requested.
-Amplitude of $y = - 2 \sin \frac { 1 } { 3 } x$
A) $\frac { \pi } { 2 }$
B) $\frac { 2 \pi } { 3 }$
C) 2
D) $6 \pi$

Question

Quizplus · Accepted Answer

The amplitude of a trigonometric function like $y = -2\sin\left(\frac{1}{3}x\right)$ is given by the absolute value of the coefficient of the sine function, which in this case is $|-2| = 2$.

Give the Amplitude or Period as Requested y=−2sin⁡13xy = - 2 \sin \frac { 1 } { 3 } xy=−2sin31​x

Give the Amplitude or Period as Requested $y = - 2 \sin \frac { 1 } { 3 } x$