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Mathematics 20 Online
OpenStudy (anonymous):

I really need help doing a problem like this... Use the fact that the period of cosine and sine functions is 2π or 360 degrees to find the cosine and sine of 1,110 degrees.

OpenStudy (anonymous):

Just subtract 360 multiple times until you are left with a degree measure of less than 360 degrees. When you find that measure of less than 360 degrees, you should be able to find the values for cosine and sine.

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