From c01fc315db3411a8888b34fead74d3193467873d Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Fri, 29 Jan 2021 13:44:51 +0100 Subject: [PATCH] Update textbook.en.md --- .../30.cylindrical-coordinates/10.main/textbook.en.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md index 4d8892917..70628197f 100644 --- a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md +++ b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md @@ -105,7 +105,7 @@ in $`z_M`$ on the $`Oz`$ axis will be $`(z_M, 0, 0)`$. * *CS320* -! *Note :* The first two cylindrical coordinates of a point $`M`$ are the polar coordinates +*Note :* The first two cylindrical coordinates of a point $`M`$ are the polar coordinates of the point $`m_{xy}`$ in the plane $`xOy`$ (plan $`z=0`$). They are also the polar coordinates of the poin $`M`$ in the plane $`z=z_M`$.