Express the sum or difference as a product of sines and/or cosines.sin (7?) + sin (3?)

A. 2 sin (10?)
B. 2 sin (5?) cos (2?)
C. 2 cos (5?) sin (2?)
D. 2 sin (5?) sin (2?)


Answer: B

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A. 11
B.
C. 1
D. 9

Solve.Determine the total payment over the term of a student loan of $35,604 at a fixed APR of 7% for 16 years.

A. $59,282.06 B. $59,268.70 C. $59,300.76 D. $59,328.80

Establish the identity. = 

What will be an ideal response?

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

A.
B.
C.
D.