Solve the problem.A 5.2-ft fence is 13.617 ft away from a plant in the direction of the sun. It is observed that the shadow of the fence extends exactly to the bottom of the plant. (See drawing) Find ?, the angle of elevation of the sun at that time. Round the measure of the angle to the nearest tenth of a degree.
A. ? = 22.3°
B. ? = 20.7°
C. ? = 20.9°
D. ? = 21.1°
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Use a sketch to find the exact value of the expression.csc 
A. 
B. 
C. 
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