Solve the problem.A roller coaster rises 140 feet vertically over a span of 460 feet. What is it's slope?
A. 140
B. 
C. 460
D. 
Answer: D
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Find all angles in degrees that satisfy the equation.sin x = -1
A. 
B. 
C. 
D. 
Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.cos x(tan x + cot x)
A. csc x B. sin x C. cot x D. sec x
Solve the problem.In an aerobic exercise machine, weights are lifted and a person's hands are constrained to move along arcs of the ellipse 
If the person's hands move upward at 0.2 m/s and start at 
at what velocity is each moving after 2.5 s? Find the magnitude and direction of the velocity.
A. 0.27 m/s, 108° B. 0.21 m/s, 108° C. 0.21m/s, 72° D. 0.27 m/s, 72°
Find the exact value of the indicated trigonometric function of ?.sin ? = 
, sec ? < 0Find cos ? and tan ?.
What will be an ideal response?