A right triangle has legs with lengths 2 and 3, and a is the acute angle opposite to the smallest leg. Find exact values for SIn a, cos a and tan a
A right triangle has legs with lengths 2 and 3, and a is the acute angle opposite to the smallest leg. Find exact values for SIn a, cos a and tan a
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter3: Radian Measure
Section3.1: Reference Angle
Problem 96PS: Use a reference angle to find the exact value of cos210o. a. 12 b. 32 c. 22 d. 12
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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.
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A right
Find exact values for
SIn a, cos a and tan a
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