Answer to Question #288860 in Analytic Geometry for Pankaj

Question #288860

Find the cylindrical coordinates of the points where the Cartesian coordinates are :


(√5, 1,2)


1
Expert's answer
2022-01-25T12:12:19-0500

Cylindrical coordinates (r,θ,z).(r,\theta,z).

r=x2+y2=52+12=6.r=\sqrt{x^2+y^2}=\sqrt{\sqrt{5}^2+1^2}=\sqrt{6}.

θ=arctanyx=arctan15=0.4205.\theta=arctan{\frac{y}{x}}=arctan{\frac{1}{\sqrt{5}}}=0.4205.

z=z=2.z=z=2.

Cylindrical coordinates: (6,0.4205,2).(\sqrt{6},0.4205,2).



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