Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = 
, 
? ? ? 2?Find cos 
.
A. 
B. 
C. - 
D. - 
Answer: D
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = 
, csc ? > 0Find sin 
.
A. 
B. 
C. 
D. 