Answer
a) $= x(1 - 2y)$
b) $= sin\theta (1-2cos\theta)$
Work Step by Step
a) $x - 2xy$
$= x(1 - 2y)$
b) $sin\theta -2sin\theta cos \theta$
$= sin\theta (1-2cos\theta)$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 6 - Section 6.1 - Solving Trigonometric Equations - 6.1 Problem Set - Page 326: 23
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