Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 5 - Section 5.4 - Half-Angle Formulas - 5.4 Problem Set - Page 304: 11

Answer

$QII$

Work Step by Step

$180 < A < 270$ Dividing by 2 $90 < \dfrac{A}{2} < 135$ $\therefore \dfrac{A}{2} $ terminates in QII.
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