Evaluate the following expression. (x ? (?/5)n, where n is a whole number)
?
csc 5x - sin 5x
?
A. cos 5x cot 5x
B. - 5 sin 5x cot 5x
C. - 5 cos 5x cot 5x
D. sin 5x csc 5x
E. 5 sin x cot x
Answer: A
Mathematics
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