Find the exact value under the given conditions.Given sin ? = - 
, with ? in quadrant IV, and tan ? = - 
, with ? in quadrant II. Find sec (? + ?).
A. - 
B. - 
C. 
D. - 
Answer: D
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. -9 B. -30 C. -20 D. -10
Select the more reasonable temperature for the item.Room temperature20°C20°F
A. 20°F B. 20°C
Solve the problem.A circular sector has an area of 14 in2 and an arc length of 3 inches. What is the measure of the central angle in degrees? Round to the nearest degree.
A. 9° B. 6° C. 37° D. 18°
The designers of a water park are creating a new slide and have sketched some preliminary
drawings. The length of the ladder is a = 24 feet, and its angle of elevation is 60º (see figure).
?
?
Find the height of the slide. Round your answer to two decimal places.
?
A. About 21.78 ft B. About 22.78 ft C. About 23.78 ft D. About 20.78 ft E. About 24.78 ft