Express the sum or difference as a product of sines and/or cosines.cos(8?) - cos(4?)
A. -2 cos(6?) sin(2?)
B. 2 cos(6?) cos(2?)
C. -2 sin(6?) sin(2?)
D. 2 cos(2?)
Answer: C
Mathematics
You might also like to view...
Find the inverse of the function.f(x) = 7x3 - 3
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
+ 3
D. Not invertible
Mathematics
Graph the solution set of the inequality or system of inequalities.y ? - 2x - 1x - y ? -1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.If an object is dropped from a tower of unknown height, the velocity of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Therefore, you can express V as a linear function of t. Find the domain of this function.
A. (-1, ?) B. [1, 4] C. [0, ?) D. (-?, ?)
Mathematics
Place the correct symbol, < or >, in the blank between the decimals. 0.92 
0.85
A. < B. >
Mathematics