1. Find the measures of each side of the given triangles.
30o 45o

2. Find the exact value of each of the following.
P (x,y)
sin 300 =
300
cos 300 =
0
O D (1,0) tan 30 =
P (x,y)
sin 600 =
600 cos 600 =
O D (1,0) tan 600 =
P (x,y)
sin 450 =
450 cos 450 =
O D (1,0) tan 450 =

3. P (x,y) 0
sin 90 =
cos 900 =
900 tan 900 =
O D (1,0)
0
sin 0 =
cos 00 =
00 P (x,y) tan 00 =
O D (1,0)

4. (in degrees)

5. Example: Find the exact values of the cosine and sine of each angle.
1) 2)

6. Examples: Sketch each angle. Then find its reference angle.
0 0
1. 300 2. 195

7. Attachments
Terminal­Initial Sides of Rotations.gsp