Use an identity to write the expression as a single trigonometric function or as a single number.
A. cos 33°
B. cot 33°
C. tan 33°
D. sin 33°
Answer: D
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Without using a calculator, give the exact trigonometric function value with rational denominator.sin 60°
A. 
B. 
C. 
D. 
Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. ? If a 73.0-foot flagpole casts a shadow 49.0 feet long, what is the angle of elevation of the sun (to the nearest tenth of a degree)? ?
A. 61.1° B. 61.6° C. 58.1° D. 52.5° E. 56.1°
Multiply.(x + 3)(x - 3)
A. x2 - 6x - 9 B. x2 + 6x - 9 C. x2 - 6 D. x2 - 9
Solve the problem.A plane flies 500 mi with the wind and 300 mi against the wind in the same length of time. If the speed of the wind is 23 mph, what is the speed of the plane in still air?
A. 97 mph B. 117 mph C. 92 mph D. 82 mph