∅θ,θI've come across two distinct 'versions' of the spherical coordinates. Could someone tell me which is correct or if both are fine.(adsbygoogle = window.adsbygoogle || []).push({});

Version 1:

A spherical coordinate is (rho,θ,∅)

x=rhocos(θ)sin(∅) ; y=rhosin(θ)sin(∅) ; z=rhocos(θ)

Version 2:

A spherical coordinate is (r,∅,θ)

x=rhocos(∅)sin(θ) ; y=rhosin(θ)sin(∅) ; z=rhocos(θ)

(r could be rho as well)

Now what's the difference between both or which is the false one?

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# Spherical coordinates?

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