Evaluate the following expression. (x ? ?n, y ? ?/12 + ?n, where n is a whole number)
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?
A. 7 tan 6x + 7 cot 6y
B. 7 tan 6y - 7 cot 6x
C. 7 tan 6y + 7 cot 6x
D. - (7 tan 6y + 7 cot 6x)
E. 7 tan 6x - 7 cot 6y
Answer: C
Mathematics
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A. -5, -4, -3, -2, -1 B. 4, 3, -2, -1, 0 C. -4, -3, -2, -1, 0 D. 4, 3, 2, 1, 0
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