Find the derivative of y with respect to the independent variable.y = (cos ?)
A. -
cos ? sin ?
B. -
(cos ?)
-1 sin ?
C. 
(cos ?)
-1
D. -(cos ?)
-1 sin ?
Answer: B
Mathematics
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A. 81 B. -9 C. -80 D. 82
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A. Undefined B. 2 C. 0 D. 3
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Replace ? with < or >.
? 42%
A. < B. >
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