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Chapter 6: Q. 34 (page 435)

In Problems 33 and 34 , determine the amplitude and period of each function without graphing.

y=-2cos(3蟺x)

Short Answer

Expert verified

The amplitude and time period is-2,23respectively

Step by step solution

01

Given information

Given functiony=-2cos(3蟺x)

02

Compare with standard form and calculate  

Comparing with y=Acosbx, we get

A=-2T=2蟺3蟺T=23

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