Point out how it follows from expressions (15) and (16) in Sec. 34 for |sin z|2 and
Question:
(a) |sin z| ≥ |sin x|;
(b) |cos z| ≥ |cos x|.
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Related Book For
Complex Variables and Applications
ISBN: 978-0073051949
8th edition
Authors: James Brown, Ruel Churchill
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