diff --git a/src/2_coordinates.md b/src/2_coordinates.md index dd03e6283bb875931bfa98372bb5d5825cac4b67..16462e92417b77ba7a3e77a3340599ad14ee18fa 100644 --- a/src/2_coordinates.md +++ b/src/2_coordinates.md @@ -70,8 +70,7 @@ the angular coordinate $\varphi$ is dimensionless. <figure markdown>  - <figcaption>In this example of a polar plot, you can distinguish the radial coordinate (0.2, 0.4 etc.) -from the angular one expressed in degrees ($0^\circ$, $45^\circ$ etc.).</figcaption> + <figcaption>In this example of a polar plot, you can distinguish the radial coordinate (0.2, 0.4 etc.) \\from the angular one expressed in degrees ($0^\circ$, $45^\circ$ etc.).</figcaption> </figure> @@ -134,7 +133,7 @@ We can use the same arguments also for the area: since the different segments are approximately perpendicular, we find the area by simply multiplying them: -!!! info "Surface element in polar coordinates +!!! info "Surface element in polar coordinates" $$dA = r dr d\varphi.$$ This is an important formula to remember for integrating in polar