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Chapter 6: Q 21. (page 381)
Find the exact value. Do not use a calculator.
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In Problems , convert each angle in degrees to radians. Express your answer as a multiple of .
Difference in Time of Sunrise Naples, Florida, is approximately 90 miles due west of Ft. Lauderdale. How much sooner would a person in Ft. Lauderdale first see the rising Sun than a person in Naples? See the hint. [Hint: Consult the figure. When a person at Q sees the first rays of the Sun, a person at P is still in the dark. The person at P sees the first rays after Earth has rotated so that P is at the location Q. Now use the fact that at the latitude of Ft. Lauderdale in 24 hours an arc of length miles is subtended.]
Use a calculator to find the approximate value of each expression rounded to two decimal places.
In the problem, denotes the length of the arc of a circle of radius subtended by the central angle . Find the missing quantity. Round answers to three decimal places.
feet, radians,
Convert angle in radian to degree-
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