Find the exact value under the given conditions.sin ? = - 
, 
< ? < 2?; tan ? = - 
, 
< ? < ?Find cos (? + ?).
A. 
B. - 
C. 
D. - 
Answer: A
Mathematics
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a. 1 4/7 b. 2 13/16 c. 3 9/16 d. 3 2/7 e. 1 7/16
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Combine like terms.m3 - 4m4 + 9m2 + m4 + 4m3
A. 3m4 - 5m3 - 9m2 B. -4m4 - 1m3 + 9m2 C. -3m4 + 5m3 + 9m2 D. -3m8 + 5m6 + 9m2
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Evaluate the expression using the given values.(x + 4y)2 x = 3, y = 3
A. 225 B. 30 C. 15 D. 49
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