# Convert 3d cartesian to polar

## Homework Statement

I need to convert this to a polar coordinate
$$\vec{F} = 5xz\vec{i} + 5yz\vec{j} + 4z^3\vec{k}$$

## The Attempt at a Solution

I have no idea to do this, can someone help?

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dx
Homework Helper
Gold Member
First, you have to write the equations that express x, y and z in terms of θ, φ and r. Then you write i, j and k in terms of the unit vectors $e_\theta, e_\phi$ and $e_r$. Then you just substitute.

First, you have to write the equations that express x, y and z in terms of θ, φ and r. Then you write i, j and k in terms of the unit vectors $e_\theta, e_\phi$ and $e_r$. Then you just substitute.
is the forum having problem with latex?