I figured out the answers but want to know if I am correct.
What is the exact value of a trigonometric function of a given angle?
CORRECT !!!! 5/pi/6 is a 2Q angle....sine is + here
CORRECT !!! tan (n *pi) = 0
-11p/3 = -11/pi/3 + 4pi = pi/3 = 1Q angle....all trig functions are positive here...so....
Hey, Spring....you don't really need me....LOL!!!!