Angles and Trigonometric Functions Answers
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A waterwheel has a radius of 4 feet, and the center of the wheel is 1 foot under the waterline. You notice a yellow mark at the top of the wheel. If the wheel rotates radians, how far above the water is the yellow mark?
A
1 footB
2 feetC
3 feetD
4 feet2
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Which angle has a terminal side in quadrant III?
A
–192°B
–88°C
412°D
579°3
Suppose tan(x) = , and the terminal side of x is located in quadrant I. What is sin(x)?
A
StartFraction 2 Over StartRoot 13 EndRoot EndFraction
B
StartFraction 3 Over StartRoot 13 EndRoot EndFraction
C
Three-halves
D
StartFraction StartRoot 13 EndRoot Over 2 EndFraction
4
On which interval is y = sin(x) strictly increasing?
A
(Negative pi, negative StartFraction pi Over 2 EndFraction)
B
(0, pi)
C
(StartFraction pi Over 2 EndFraction, StartFraction 3 pi Over 2 EndFraction)
D
(0, StartFraction pi Over 2 EndFraction)
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