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## Homework Statement

plot x(t) = 10cos((pi*t)-(pi/4))

## Homework Equations

pi/4 is the shift to the right

10 is the amplitude of the graph

pi is the radian frequency

## The Attempt at a Solution

so i got the amplitude and shift to the right by pi/4 part but as for the radian frequency, my plot doesnt seem right. does pi mean that one cos wave occurs in a pi interval? thanks in advance