Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.tan ? = 
, 0 < ? < 
Find cos 2?.
A. 
B. - 
C. 
D. - 
Answer: D
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Solve the problem.A surveyor standing 69 meters from the base of a building measures the angle to the top of the building and finds it to be 37°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 50°. How tall is the radio tower? Round to the nearest hundredth when necessary.
A. 10.75 meters B. 11.33 meters C. 30.24 meters D. 15.93 meters
Classify the sequence and supply the next term. ? 27, 64, 125, 216, ... ? The next term is __________. ? The sequence is __________ (arithmetic, geometric, Fibonacci-type, none of these).
What will be an ideal response?
Factor.mn2 - 16m + 8n2 - 128
A. (m + 8)(n + 4)(n - 4) B. (mn + 8)(n + 4m)(n + 4m) C. (m + 8)(n - 4) D. (mn + 4)(n - 4)
Solve the number problem by finding the value of the unknown number.When 27 is decreased by twice a number, the result is 19.
A. 6 B. 5 C. 4 D. 3