Question

I don’t know how to do this.

Answer 1

sin(t) = √15/4,

cos(t) = - 1/4,

tan(t) = - √15

Explanation:

The coordinates of the terminal point P(x, y) determined by t are x = - 1/4, and y = √15/4;

sin(t) = y = √15/4

cos(t) = x = - 1/4

tan(t) = y/x = √15/4 / - 1/4 = - √15