Evaluate the function requested. Write your answer as a fraction in lowest terms.
Find cos B.
A. cos B = 
B. cos B = 
C. cos B = 
D. cos B = 
Answer: C
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 6xx2
A. 6xx2 + 1(2 ln 6x + 1) B. xx2 + 1 ln 6x C. 6xx2 + 1(2 ln 6x ) D. x(2 ln 6x +1)
Use the preference table to answer the question.The preference table shows the results of an election among three candidates, A, B, and C. 
(a) Using the plurality method, who is the winner?(b) Is the majority criterion satisfied?
A. B; yes B. A; yes C. C; yes D. A; no
A. A(6, -4); B(1, -1) B. A(-6, 4); B(0, 1) C. A(6, 4); B(0, -1) D. A(6, 4); B(0, 1)
Solve the problem.If tan-1 x is replaced by 
and |x| < 0.6, what estimate can be made of the error?
A. |E| < 0.0039991 B. |E| < 0.0046656 C. |E| < 0.0066651 D. |E| < 0.0077760