Question #92df2

1 Answer
Dec 14, 2017

#tan t = y/x = -5/sqrt3 = - (5sqrt3)/3#
#cos^2 t = 1/(1 + tan^2 t) = 1/(1 + 25/3) = 3/28#
#cos t = +- sqrt3/(2sqrt7) #
t is in Quadrant 2, therefor cos t is negative
#cos t = - sqrt3/(2sqrt7) = - sqrt21/14#
#sin^2 t = 1 - cos^2 t = 1 - 3/28 = 25/28#
#sin t = 5/(2sqrt7) = (5sqrt7)/14# (sin t > 0, since t is in Q. 2)
#cot t = 1/tan t = - 3/(5sqrt3) = - sqrt3/5#.
#sec t = 1/(cos t) = -14/sqrt21 = - (14sqrt21)/21 = (2sqrt21)/3#
#csc t = 1/(sin t) = 14/(5sqrt7) = (14sqrt7)/35#