Question
3.33 Transform the vector into cylindrical coordinates and then evaluate it at \mathbf{A}=\hat{\mathbf{R}} \sin ^{2} \theta \cos \phi+\hat{\boldsymbol{\theta}} \cos ^{2} \phi-\hat{\boldsymbol{\phi}} \sin \phi P=(2, \pi / 2, \pi / 2)
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