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Mathematics 13 Online
OpenStudy (waheguru):

How to convert a cosine function to a sine function (using degrees) For example y = 30cos(18(t-12)) I know we take 1/4 of the period (which is 20) but do we add it or subtract it this is also a the same function y=-30cos(18(t-2)) then how do you convert this into a sine function

OpenStudy (cggurumanjunath):

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