Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find cos 
.
A. 
B. - 
C. 
D. - 
Answer: D
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Solve. Round your results to four decimal places.Use the Euler method with dx = 0.2 to estimate y(1) if y' = -y and y(0) = 2. What is the exact value of 
A. y ? 0.4554, exact value is e-2 B. y ? 0.6554, exact value is 2e-1 C. y ? 0.2554, exact value is -e D. y ? 0.0554, exact value is -2e
Find a1, r, an, n, or Sn for the geometric sequence, as instructed.a1 = 5, r = 
, n = 4; Find an.
A. 
B. 
C. 
D. 
Solve the problem.Midtown Delivery Service delivers packages which cost 
per package to deliver. The fixed cost to run the delivery truck is 
per day. If the company charges 
per package, how many packages must be delivered daily to break even?
A. 67 packages B. 15 packages C. 13 packages D. 23 packages
Multiply.-48.977 × 100
A. -4847.7 B. -4897.7 C. -509.77 D. -489.77