Find cos(u − v) given the following information. (Draw a picture). sin u = −4/5, pi ≤ u ≤ 3pi/2 sin v =1/3, pi/2 ≤ v ≤ pi
Find cos(u − v) given the following information. (Draw a picture). sin u = −4/5, pi ≤ u ≤ 3pi/2 sin v =1/3, pi/2 ≤ v ≤ pi
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section8.1: Complex Numbers
Problem 32PS
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Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
Question
Find cos(u − v) given the following information. (Draw a picture).
sin u = −4/5, pi ≤ u ≤ 3pi/2
sin v =1/3, pi/2 ≤ v ≤ pi
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