Answer
$\sqrt {29}(cos291.8^\circ-i\ sin291.8^\circ)$
Work Step by Step
$2-5i=\sqrt {29}(\frac{2\sqrt {29}}{29}-\frac{5\sqrt {29}}{29}i)=\sqrt {29}(cos291.8^\circ-i\ sin291.8^\circ)$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 9 - Analytic Geometry - Section 9.5 Rotation of Axes; General Form of a Conic - 9.5 Assess Your Understanding - Page 699: 64
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