Find the exact value of the trigonometric function.cot 

A. - 
B. - 
C. -1
D. - 

Answer: C

Mathematics

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Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = ; f '(-1)

A. f '(x) = - ; f '(-1) = -8
B. f '(x) = ; f '(-1) = 8
C. f '(x) = 8; f '(-1) = 8
D. f '(x) = - 8x2; f '(-1) = - 8

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Mathematics

Simplify.5

A. 14
B. 70
C. 5
D. 18

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Mathematics

Find the required ratio.The mass of an object in kilograms is given by the ratio of its weight (on earth) in newtons to the acceleration of gravity, which is  If an object weighs 2610 newtons, find its mass, correct to the nearest tenth.

A. 3.8 kg B. 266.3 kg C. 1.3 kg D. 4.8 kg

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Mathematics

Find .v = -3i + 2j + 4k

A. 3
B.
C.
D. 5

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Mathematics