Solve the problem.If sin ? = 
, ? in quadrant II, find the exact value of cos
A. 
B. 
C. 
D. - 
Answer: D
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Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 75.90 B. 65.06 C. 37.95 D. 53.23
Evaluate the limit by direct evaluation. Change the form of the function where necessary.
A. - 12 B. 12 C. Does not exist D. 4
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = 2 + 8x - x2; (-5, 5)
A. local minimum at (4, 50) B. local maximum at (-4, 50) C. local minimum at (-4, 18) D. local maximum at (4, 18)
Solve the equation by multiplying both sides by the LCD.2 + 
= 
A. 
B. 
C. 
D. 