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3. Unit Circle
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Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
3. Unit Circle
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3. Unit Circle / Defining the Unit Circle / Problem 4
Which of the following cofunctions has the same value as sin 11.5°?
A
cos 78.5°
B
cos 11.5°
C
cos 23°
D
cos 168.5°
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