Trigonometry 7th Edition

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

Chapter 5 - Section 5.3 - Double-Angle Formulas - 5.3 Problem Set - Page 297: 49

Answer

See the steps.

Work Step by Step

$RHS = \tan{x} + \cot{x} = \dfrac{\sin{x}}{\cos{x}} + \dfrac{\cos{x}}{\sin{x}} = \dfrac{\sin^2 {x} + \cos^2 {x}}{\cos{x} \sin{x}}$ $RHS = \dfrac{1}{0.5 \sin{2x}} = 2 \csc{2x} = LHS$
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