Posted by Rak on Tuesday, January 12, 2010 at 9:50pm.
Subtract 2 pi from 7pi/3. The trig functions of 7 pi/3 will be the same values as the trig functions of pi/3, which is 60 degrees.
The cosine of pi/3 is 1/2. That makes the secant 3. The tangent is sqrt3
You should be able to look up or figure out the other funtions of that angle.
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