Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = 
, 
< ? < ?Find tan(? + ?).
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Evaluate the expression, if possible.644/3
A. 1024 B. 16,384 C. 4096 D. 256
Mathematics
Evaluate the definite integral.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the area of the region under the given curve 
over the indicated interval.
?
?
A. 
B. 
C. ?
D. ?
E. ?
Mathematics
Write the augmented matrix for the given system of equations.
A. 
B. 
C. 
D. 
Mathematics