Question

given cot(@)=- 1/3 and 3n/2<@<2n, find cos(@)

Answer 1

so I'll assume n = pi and @ is theta or some greek letter

Answer 2

so based on the information its 4th quadrant...

the draw function isn't working

so here is my best attempt

cot = 1/tan

cot = adj/opp

so the adjacent side is 1
and the opposite side is -4

use pythagoras' theorem to find the hypotenuse... and you should be able to find

cos(@)

hope it helps