Pre-Calculus
Unit 8 WS 8-1: Radians and Degrees
Name:
Determine the quadrant in which each angle lies for these radian angles:
1.
4-
3. -*-R
12
2.
5.
-
3.5R
6.
-4.257?
2_
Determine the quadrant in which each angle lies for these degree angles:
1. 130°
Z
10. -181'
8. 8.3C
9. -336C
11.
12. -269°
265°
2-
Sketch each of the following radian or degree angles in standard position, showing rotation, then find
the reference angle for each. If angle is given in radians, then find reference angle in radians. If given
in degrees, then find reference angle in degrees.
15. -3.5R
Ref Angle:
'A
Ref Angle:
Ref Angle:
Ref Angle:
Ref Angle:
Ref Angle:
19. 145C
20. -120C
21. 405C
Ref Angle:
Ref Angle:
22. IT
23. -193C
0
Ref Angle:
1"?
0
Ref Angle:
Ref Angle:
10;r
Ref Angle:
""/A