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16. If sin O - cos O = 1 / 3, determine the value of sin O cos O. A. 5 / 4 B. 5 / 9 С.4/9 D. 4 / 5

16. If sin O - cos O = 1 / 3, determine the value of sin O cos O. A. 5 / 4 B. 5 / 9 С.4/9 D. 4 / 5

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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16. If sin O - cos O = 1 / 3, determine the value of sin O cos O. A. 5 / 4 В.5/9 С.4 /9 D. 4 /5 17. Three circles of radii 6, 8, and 10 meters, respectively are tangent to each other externally. Find the largest angle of a triangle formed by joining the centers. А. 72.6° C. 73.4° 18. From the top of a light house 53 m above the water, the angle of depression of a boat due south is 18º56’47". Calculate the speed В. 75.10 D. 71.3º of the boat, if after it moves due west for 2 minutes the angle of depression is 14º20’. A. 69.26 meters/min B. 48.17 meters/min C. 87.35 meters/min D. 29.47 meters/min
Transcribed Image Text:16. If sin O - cos O = 1 / 3, determine the value of sin O cos O. A. 5 / 4 В.5/9 С.4 /9 D. 4 /5 17. Three circles of radii 6, 8, and 10 meters, respectively are tangent to each other externally. Find the largest angle of a triangle formed by joining the centers. А. 72.6° C. 73.4° 18. From the top of a light house 53 m above the water, the angle of depression of a boat due south is 18º56’47". Calculate the speed В. 75.10 D. 71.3º of the boat, if after it moves due west for 2 minutes the angle of depression is 14º20’. A. 69.26 meters/min B. 48.17 meters/min C. 87.35 meters/min D. 29.47 meters/min
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