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

label Calculus
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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
Oct 21st, 2017
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