Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.sin(tan-1 
)
A. 
B. x
C. 
D. 
Answer: A
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Find the coordinates of the image for the given point under the translation defined by (x, y) ? (x + 4, y - 2).(0, 4)
A. (4, 6) B. (?4, 6) C. (?4, 2) D. (4, 2)
Solve the problem.Trains S and T are both traveling in the same direction. Their distances in miles North of Dallas after x hours are computed by the functions fS and fT, respectively, and their graphs are shown in the figure for 
(i) Which train is traveling slower? (ii) How many hours elapse before the two trains are the same distance from Dallas and how far are they from Dallas when this occurs? 
A. train S; 297 hours, 3.3 miles B. train S; 3.3 hours, 297 miles C. train T; 297 hours, 3.3 miles D. train T; 3.3 hours, 297 miles
Find the exact solutions to the quadratic equation in the complex numbers.5x2 + 55 = 0
A. ± i
B. ±
C. 27.5
D. ±11i
Solve the problem. Leave your answer in polar form.z = 5(cos 35° + i sin 35°)w = 2(cos 40° + i sin 40°)Find zw.
A. 7(cos 50.9° + i sin 50.9°) B. 10(cos 50.9° + i sin 50.9°) C. 10(cos 75° + i sin 75°) D. 7(cos 75° + i sin 75°)