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

Name: Give the amplitude or period as requested. -Period of $y = \cos \frac { 1 } { 3 } x$ A) $\frac { 2 \pi } { 3 }$ B) $\frac { \pi } { 3 }$ C) $6 \pi$
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Question

Quizplus · Accepted Answer

The period of a function $y = \cos(bx)$ is given by $\frac{2\pi}{|b|}$. Here, $b = \frac{1}{3}$, so the period is $\frac{2\pi}{1/3} = 6\pi$.

Give the Amplitude or Period as Requested y=cos⁡13xy = \cos \frac { 1 } { 3 } xy=cos31​x

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