Using the geometric relations given below and the chain rule for differentiation, show that and when r

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Using the geometric relations given below and the chain rule for differentiation, show that

sin 0 д д д + cos 0. дr r д0 дх

and
д cos 0 a r д0 д + sin 0 дr ду ||

when r2 = x2 + y2 and tanθ = y/x.

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Fundamentals Of Momentum Heat And Mass Transfer

ISBN: 9781118947463

6th Edition

Authors: James Welty, Gregory L. Rorrer, David G. Foster

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