Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.1 - Definition II: Right Triangle Trigonometry - 2.1 Problem Set: 2

Answer

Opposite, Adjacent, Hypotenuse

Work Step by Step

While defining T-ratios for an acute angle in a right angled triangle, the nomenclature among right angle forming sides goes in terms of the "opposite" side and "adjacent" side to that angle. Hypotenuse is always the side opposite to the right angle. Therefore In Figure 8, we would refer to 'a' as the side "opposite" A, and 'b' as the side "adjacent" to A and 'c', obviously is the "hypotenuse".
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