Think you’ve got your head wrapped around Trigonometric Functions? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Convert 90° to radians.
0
π
2π
Q. Convert 2π radians to degrees.
360°
90°
45°
180°
270°
Q. Convert 45° to radians.
Q. Convert 
from radians to degrees.
from radians to degrees. 30°
60°
120°
210°
240°
Q. Find the reference angle for 120°.
30°
45°
60°
120°
150°
Q. Find the reference angle for 220°.
20°
30°
40°
50°
60°
Q. Find the reference angle for 
.
. 
Q. Find the reference angle to 390°.
360°
60°
30°
150°
330°
Q. Find cos 150°.
Q. Find tan 315°.
1
-1
