Use the half-angle formula to simplify the given expression.
?
?
?
A. ??cos |2x|
B. ??cos |8x|
C. ??cos |16x|
D. ??cos |32x|
E. ?cos |4x|
Answer: E
Mathematics
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A. 
in.
B. 
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C. 6 in.
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= cot 
What will be an ideal response?
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