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Chapter 8: Q. 6 (page 527)
An oblique triangle in which two sides and an angle are given always results in at least one triangle.
The solution is false.
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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?
If the distance d of an object from its rest
position at time t is given by a sinusoidal graph, the motion of the object is simple harmonic motion.
In the given problem solve the triangle using either the law of sines or law of cosines-
Determining the Height of an Aircraft Two sensors are spaced 700 feet apart along the approach to a small airport. When an aircraft is nearing the airport, the angle of elevation from the first sensor to the aircraft is 20掳, and from the second sensor to the aircraft it is 15掳. Determine how high the aircraft is at this time.
Solve each triangle.
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