Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.3 - Right Triangle Trigonometry - Exercise Set - Page 561: 44



Work Step by Step

Solve. $\dfrac{1}{\cot \dfrac{\pi}{4}}-\dfrac{2}{\csc \dfrac{\pi}{6}}$ We have $\dfrac{1}{\cot \dfrac{\pi}{4}}-\dfrac{2}{\dfrac{1}{\sin \dfrac{\pi}{6}}}=\dfrac{1}{1}- \dfrac{2}{2}$ or, $= 1-1$ or, $=0$
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