5 π 6 sin 5 π 6 = 1 sec 5 π 6 = 1 1 = 1 cos 5 π 6 = 0 csc 5 π 6 = 1 0 = U n d e f i n e d tan 5 π 6 = 1 0 = U n d e f i n d cot 5 π 6 = 0 1 = 0 {\displaystyle {\frac {5\pi }{6}}\sin {\frac {5\pi }{6}}=1\sec {\frac {5\pi }{6}}={\frac {1}{1}}=1\cos {\frac {5\pi }{6}}=0\csc {\frac {5\pi }{6}}={\frac {1}{0}}=Undefined\tan {\frac {5\pi }{6}}={\frac {1}{0}}=Undefind\cot {\frac {5\pi }{6}}={\frac {0}{1}}=0}
