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posted by claire Monday, February 1, 2010 at 10:23pm.
what is the exact value of 7pi for all trig func.?
For trig functions, it is the same as the value for an angle of pi radians. sin(7 pi) = sin pi = 0 cos(7 pi) = cos pi = -1 tan(7 pi) = tan pi = 0
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