Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Refer to a triangle ABC.If A = 27°23' and C = 69°18', find B.
A. 263°59' B. 264°59' C. 83°19' D. 84°19'
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Express the product as a sum containing only sines or cosines.sin 
cos 
A. 
sin cos(7?)
B. 
[cos(4?) + sin(3?)]
C. 
[sin(4?) - sin(3?)]
D. 
[cos(8?) - sin(6?)]
Mathematics
Match the point in polar coordinates with either A, B, C, or D on the graph.
A. A B. B C. C D. D
Mathematics
Express the following in interval notation.
A. [-2, 2] B. (-?, -2] ? [2, ?) C. (-?, -2) ? (2, ?) D. (-2, 2)
Mathematics