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Chapter 8: Q. 2 (page 515)
If is an acute angle, solve the equation . Express your answer in degrees, rounded to one decimal place.
The solution is.
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Rework Problem 6 under the same conditions except that, at time t = 0, the object is at its resting position and moving down.
In the given problem solve the triangle using either the law of sines or law of cosines-
Constructing a Highway U.S. 41, a highway whose primary directions are north–south, is being constructed along the west coast of Florida. Near Naples, a bay obstructs
the straight path of the road. Since the cost of a bridge is prohibitive, engineers decide to go around the bay. The illustration shows the path that they decide on and the measurements taken. What is the length of highway needed to go around the bay?
Finding the Length of a Ski Lift Consult the figure. To find the length of the span of a proposed ski lift from P to Q, a surveyor measures DPQ to be 25° and then walks off a
distance of 1000 feet to R and measures PRQ to be 15°. What is the distance from P to Q?
The displacement d (in meters) of an object at time t (in seconds) is given
(a) Describe the motion of the object.
(b) What is the maximum displacement from its resting position?
(c) What is the time required for one oscillation?
(d) What is the frequency?
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