Write the product as a sum or difference containing only sines or cosines.cos(2?) cos(4?)
A. cos2(6?2)
B. 
[cos(2?) + cos(6?)]
C. 
[cos(6?) - cos(2?)]
D. 
[cos(6?) - sin(2?)]
Answer: B
Mathematics
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Identify the numbers from the given list that belong to the indicated set. 18, 
, -9, 0, 
, 
, 0.64, 0.
Rational numbers
A. 18, -9, 0, 
, 
, 0.64, 0.
B. 18, -9, 0, 
, 
, 0.64,
C. 18, -9, 0, 
, 0.64
D. 18, -9, 0, 
, 0.64, 0.
Mathematics
Solve the problem.The cost of manufacturing clocks is given by c = 121
, where c is the total cost and n is the number produced. What is c when no clocks are produced?
A. $121 B. $484 C. $1936 D. $44
Mathematics
Perform the following division.
A. 10 B. 10 R1 C. 9 R1 D. 10 R2
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics