Find the exact value under the given conditions.sin ? = , 0 < ? < ; cos ? = , 0 < ? < Find cos (? + ?).

A.
B.
C.
D. - 


Answer: C

Mathematics

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A. 2, 3, 4, 8 B. 2, 3, 4, 6  C. 2, 3, 4  D. 2, 3, 4, 6, 8 

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