1. Find the exact values of the six trigonometric
functions of  if the terminal side of  contains the
point (8, –15).
8
-15
r
(8, -15)

2. 8
-15
17

3. x
y
r
(x, y)

4. Find the exact values of (-3, 4)
the six trigonometric 5
functions of  if the 4
terminal side of  contains
the point (–3, 4). -3 x = -3
4 3 =5
y=4
r=5

5. Sketch 330. Then find its reference angle.
330 = 180 + 150
= 180 + 90 + 60
The reference angle is 360 – 330 or 30.

6. Sketch . Then find
its reference angle.
The reference angle is

7. Find the exact value of .
135 = 90 + 45
pos pos

8. Suppose is an angle in standard position whose
terminal side is in Quadrant III and
Find the exact values of the remaining five
Trigonometric functions of .
hyp
opp
-4
-3
5

9. hyp
=
opp
-4
-3
5