dont know how to work this problem

Question

The terminal point P(x, y) determined by a real number t is given. Find sin t, cos t, and tan t.

13

4

, − 

3

4

sin t =
cos t =
tan t =

 

Answer 1

The terminal point is .

Observe the terminal point.

Here  and .

As  and , hence  lies in Quadrant IV.

Find .