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Chapter 6: Q. 15 (page 435)
Find the exact value of each expression. Do not use a calculator.
.
The exact value for the expressionis,.
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Convert angle in radian to degree-
Find the exact value of each expression. Do not use a calculator.
Which angle has the larger measure: 1 degree or 1 radian? Or are they equal?
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.
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