PLEASE HELP!! Find an equation for the graph, Write in form y=AsinBx or y=AcosBx.

PLEASE HELP Find An Equation For The Graph Write In Form YAsinBx Or YAcosBx class=

Answer :

Answer:

4cos4x

Step-by-step explanation:

let's use cos

amplitude=4

period=pi/2

2pi/x=pi/2

x=4

no phase shift

y=4cos4x

pic from desmos

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