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November 18th, 2017, 07:56 AM   #1
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sin1

How to prove?
$\displaystyle \sin1<\log_{3} \sqrt{7}$

Last edited by skipjack; November 18th, 2017 at 09:31 AM.
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November 18th, 2017, 10:06 AM   #2
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Math Focus: tetration
sin1 = 0.8414709848...
(ln7)/(2ln3) = 0.88562187458...
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Last edited by skipjack; November 18th, 2017 at 12:54 PM.
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