Show that e -ln x = 1/x (not -x) and e - ln(sec x) = cos x.

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Show that e^{-ln x}= 1/x (not -x) and e^-^{ln(sec x)} = cos x.

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Advanced Engineering Mathematics

ISBN: 978-0470458365

10th edition

Authors: Erwin Kreyszig

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Question Posted: Feb 12, 2020 11:55 AM

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Show that e -ln x = 1/x (not -x) and e - ln(sec x) = cos x.

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properties of ln function ln m n n ln m lne1 prove 1e lnx 1x so assume y e lnx taking ...View the full answer

Advanced Engineering Mathematics

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