Toronto Math Forum
APM346-2015F => APM346--Misc => Textbook errors => Topic started by: Bruce Wu on November 08, 2015, 01:54:56 AM
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http://www.math.toronto.edu/courses/apm346h1/20159/PDE-textbook/Chapter6/S6.5.html#mjx-eqn-eq-6.5.3
The $r$ in front of the $\sin$ should not be there.
Correct