Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 6 - Review - Test - Page 531: 5

Answer

$\dfrac{26+6 \sqrt {13}}{39}$

Work Step by Step

It can be seen from the given figure that $\tan \theta=\dfrac{2}{3}$ Thus, $\sin \theta= \dfrac{2}{\sqrt{(2)^2+(3)^2}}=\dfrac{2 \sqrt {13}}{13}$ Now, $\tan \theta+\sin \theta=\dfrac{2}{3}+\dfrac{2 \sqrt {13}}{13}$ This gives: $\tan \theta+\sin \theta=\dfrac{26+6 \sqrt {13}}{39}$
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