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OpenStudy (anonymous):
Given u=e^rcostheta.cos(rsintheta), v=e^rcostheta.sin(rsintheta) Prove that du/dr=1/r.dv/dtheta and dv/dr = 1/r.du/dtheat
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OpenStudy (anonymous):
This poster's other question is "5+3 =..."
OpenStudy (anonymous):
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