Answer
$0$
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, $=0$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
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
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