Trigonometry 7th Edition

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

Chapter 3 - Section 3.1 - Reference Angle - 3.1 Problem Set - Page 123: 87

Answer

Complement of $ x^{\circ}$ = $ (90 - x)^{\circ}$ Supplement of $ x^{\circ}$ = $ (180 - x)^{\circ}$

Work Step by Step

Complement of $ x^{\circ}$ = $ 90^{\circ} - x^{\circ}$ = $ (90 - x)^{\circ}$ (As sum of the measures of complementary angles is 90 degrees, we can find 'one' by subtracting 'other' from $90^{\circ}$ ) Supplement of $ x^{\circ}$ = $ 180^{\circ} - x^{\circ}$ = $ (180 - x)^{\circ}$ (As sum of the measures of supplementary angles is 180 degrees, we can find 'one' by subtracting 'other' from $180^{\circ}$)
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