​Find the period and amplitude of the function:: y= -2cos2x

Calculus
Tutor: None Selected Time limit: 1 Day

Find the period and amplitude of the function.

Give the exact values, not decimal approximations. 

May 11th, 2015

amplitude of the function is |-2|=2

period of the function is 2*pi/2=pi

May 11th, 2015

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May 11th, 2015
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May 11th, 2015
Dec 8th, 2016
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