Express the sum or difference as a product.cos 75?- cos 15?
A. - 
B. 
C. - 
D. 
Answer: A
Mathematics
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Simplify.cos(u + v) cos v + sin(u + v) sin v
A. cos u B. cos u (1 + cos2 v) C. cos v D. sin v
Mathematics
Determine the average rate of change for the function.p(x) = -x - 7
A. -1 B. 7 C. 1 D. -7
Mathematics
Use synthetic division to divide.
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Decide whether the equation describes a function.y2 + x = 5
A. yes B. no
Mathematics