How do you find the exact 6 trigonometric ratios for the angle x whose radian measure is (5pi)/6?

1 Answer
May 5, 2015

sin [(5pi)/6] = sin (pi- pi/6) = sin (pi/6) = 1/2

cos [(5pi)/6)] = cos (Pi - Pi/6) = -cos (pi/6) = (-sqr3)/2

tan ((5pi)/6) = -1/(sqr3) = -(sqr3)/3

cot [(5pi)/6] = -sqr3

sec [(5pi)/6] = 2

csc [(5pi)/6] = -2/(sqr3)