Question 620540
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Hi,
6 trig functions of {{{ 2pi/3}}} in fractional form? Let x= {{{2pi/3}}}
 cosx = -1/2
 secx = -2
 sinx = {{{sqrt(3)}}} /2
 cscx = 2/{{{sqrt(3)}}}
 tanx = -{{{sqrt(3)}}}
 cotx = -1/{{{sqrt(3)}}}
Thought this (cosx, sinx) summary may help You in Your studies:
<img src="http://www.math.ucsd.edu/~jarmel/math4c/Unit_Circle_Angles.png">