Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 8: Techniques of Integration - Section 8.1 - Using Basic Integration Formulas - Exercises 8.1 - Page 448: 16



Work Step by Step

$\int \frac{d\theta}{\sqrt {2\theta-\theta^{2}}}=\int\frac{d\theta}{\sqrt {1-(\theta-1)^{2}}}$ Put $\theta-1=x$ Then $\frac{dx}{d\theta}= 1$ or $dx=d\theta$ Therefore, $\int \frac{d\theta}{\sqrt {2\theta-\theta^{2}}}=\int \frac{dx}{\sqrt {1-x^{2}}}=sin^{-1}(\frac{x}{1})+C$ $=sin^{-1}(\theta-1)+C$
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