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}
