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Chapter 6: Q. 1 (page 364)
What is the formula for the circumference of a circle of radius ? What is the formula for the area of a circle of radius ?
The solution is.
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Covert each angle in degrees to radians. Express your answer as a multiple of .
Convert angle in radian to degree-
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.]
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.
meters, radian,
the point (x, y) is on the terminal side of angle in standard position. Find the exact value of the given trigonometric function
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