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OpenStudy (anonymous):
Find sin(beta), cos(beta), tan(beta) if (beta) = -3pie/2
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OpenStudy (anonymous):
you can simply use a calculator in radian mode or by knowing that pi = 180 degrees. sin(-3pi/2) = +1 cos(-3pi/2) = 0 tan(-3pi/2) = does not exist
OpenStudy (anonymous):
thanks didn't realize it was that simple :]
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