Use the product-to-sum identities to rewrite the expression as the sum or difference of two functions.sin 
? sin 
?
A. 
cos 
? + 
cos 
?
B. 
sin 
? - 
sin 
?
C. 
cos 
? - 
cos 
?
D. 
sin 
? + 
sin 
?
Answer: C
Mathematics
You might also like to view...
Evaluate.63
A. 18 B. -216 C. 36 D. 216
Mathematics
Find the cost, including a sales charge of $1 per bond, for the transaction.Bond: WSNLast Price: 101.500Number Purchased: 12
A. $12,192.00 B. $11,988.00 C. $12,180.00 D. $10,150.00
Mathematics
Solve the equation.0.32(50) + 0.5x = 0.4(50 + x)
A. {50} B. {20} C. {30} D. {40}
Mathematics
Solve the equation.
5x + 2 = 9x- 4
A. 
B. 
C. 
D. 
Mathematics