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OpenStudy (anonymous):
Help me find the frequency d=5sin(pi/4t) I need step by step help pretty please :)
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OpenStudy (aravindg):
is it (pi/4)t or pi/(4t)
OpenStudy (ranga):
If the sine wave is y = Asin(wt + phi), the angular frequency is w and the ordinary frequency f = w / (2 * pi).
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