Find the exact value by using a sum or difference identity.cos 
A. 0
B. 
C. 
D. - 
Answer: B
Mathematics
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Factor.64y2 - 9
A. (64y - 9)(y + 1) B. (8y - 3)2 C. (8y + 3)2 D. (8y - 3)(8y + 3)
Mathematics
Solve the equation on the interval 0 ? ? < 2?.cos(2?) = 
- cos(2?)
A. 
B. 
C. No solution
D. 
Mathematics
Find a geometric power series for the function 
centered at 0.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
If a problem involves a large array or diagram, a good strategy to try is "Use a Variable."
Indicate whether the statement is true or false
Mathematics