Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin 
.
A. 
B. - 
C. - 
D. 
Answer: A
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Complete.643 g = 
mg
A. 0.643 B. 643,000 C. 0.0643 D. 64,300
Solve the problem.In a particular situation, the pressure, P, exerted on a person's eardrum at a distance of 12 feet from the source is given by the function: 
where n is a positive integer. Use the difference identity for cosine to simplify P(t).
A. P(t) = 
cos (ct)
B. P(t) = 
cos (ct + 12)
C. P(t) = 
cos (ct) - 
sin (ct)
D. P(t) = cos (ct)
Solve the problem.A circular fountain has a diameter of 7 feet. Approximate the perimeter of the fountain, using 3.14 as an approximation for 
A. 43.96 ft B. 153.86 ft C. 21.98 ft D. 10.99 ft
Answer the question.The given graph is that of the derivative of a function f. Using information obtained from the graph of f' and the fact that f(-1) = -
and f(-3) = 0, sketch the graph of f. Explain how you obtained the graph of f.
What will be an ideal response?