Need help with equation

Mathematics
Tutor: None Selected Time limit: 1 Day

May 18th, 2015

5) a.  Since the period is 8pi, the Frequency = 2pi/8pi = 1/4

So, the equation is  y = 2sin(1/4x)

b.  Period pi, then frequency = 2pi/pi = 2

reflected over the x axis means sign is negative

then,  y = -4cos2x + 2

May 18th, 2015

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May 18th, 2015
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May 18th, 2015
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