Find the exact value of the expression.cos 240°
A. - 
B. 
C. 
D. - 
Answer: A
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Find a set of polar coordinates for the point for which the rectangular coordinates are given.(-5
, -5
)
A. 
B. 
C. 
D. 
Round to the place value indicated.21,882,252 to the nearest million
A. 22,000,000 B. 21,882,000 C. 21,000,000 D. 21,900,000
Solve.While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 10 feet per second per second when the radius of the turn is 80 feet, find the acceleration the passengers feel when the radius of the turn is 160 feet.
A. 8 feet per second per second B. 6 feet per second per second C. 5 feet per second per second D. 7 feet per second per second
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, src="https://sciemce.com/media/4/ppg__tttt0506191043__f1q106g5.jpg" alt="" style="vertical-align: -18.0px;" />
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.h
A. 
B. - 
C. 
D. - 