Find the derivative.s = t7 - csc t + 2
A. 
= 7t6 + csc t cot t
B. 
= t6 - cot2t + 2
C. 
= 7t6 + cot2t
D. 
= 7t6 - csc t cot t
Answer: A
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A. 
B. 
C. 
D. 
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?
?
__________
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