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ALGEBRA III/TRIG
WORKSHEET(9.6a) ANSWERS
NAME __________________
PERIOD _________________
Use your unit circle to evaluate the following functions.
3
______
2
1)
sin 45° = __
2
______
2
2)
cos 30° = __
3)
tan 60° = __ 3 ______
4)
cos
5)
tan
= __ 1 ______
6)
sin 60° = __
7)
cos
3

= _
_______
2
6
8)
tan 30° = ____
9)
sin
3

= __
______
2
3
10)
cos
11)
cos 60° = __
1
______
2
12)
tan 45° = __ 1 ______
13)
tan
3
______
3
14)
sin 30° = __
15)
sin
16)
cos 45 ° = ___
17)
tan
18)
sin

4

6
= _
2

= _
_______
2
4

3
= ___ 3 _____
1

= ___ _____
2
3
3
______
2
3
____
3
2

= __
______
2
4

=
6
1
______
2
____
2
_____
2
1
____
2
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