The standard

**rotation**in xy plane is given by the matrix { {cosθ,−sinθ}, {sinθ,cosθ...from the +z side of the origin. The same convention is applied to**rotation**s about OX & OY. The 3D matrix for this**rotation**about ...2 Answers · Science & Mathematics · 30/05/2012

A

**rotation**by 270° about the origin can be seen in the picture below in which A is rotated to its image A'. The general rule for a**rotation**by 270° about the origin is (A,B) (B, -A) http...1 Answers · Science & Mathematics · 28/03/2012

Optical

**rotation**depends on concentration. You must use the formula for specific**rotation**in order to get the true**rotation**of that compound: [a] = a/(c*l) where c = concentration, l = path length, and a = observed**rotation**1 Answers · Science & Mathematics · 06/02/2009

The speed of this

**rotation**is constantt, thus Earth's**rotation**doesn't make the tectonic ...6 Answers · Science & Mathematics · 31/07/2008

1

**rotation**in a circle is 2π therefore all u have to do is divide your number by 2π then you get the answer answer would be: 3.91666 roations1 Answers · Education & Reference · 20/11/2011

Period = Seconds/ 1

**Rotation**Given: 31.31 Seconds/ 20 Rotations Divide top and bottom by 20: 15.655 Seconds / 1**Rotation**3 Answers · Science & Mathematics · 15/11/2008

Copying

**rotation**in Blender: http://wiki.blender.org/index.php/Doc:2.6/Manual/Constraints/Transform/Copy_**Rotation**1 Answers · Computers & Internet · 20/01/2013

Generally crop

**rotation**is three crops and four fields. So, the first...2 Answers · Education & Reference · 21/05/2009

If it only makes half

**rotation**in each direction then not likely caused by something in cylinder. That would...7 Answers · Cars & Transportation · 23/11/2014

... = 20/15 = 1⅓⅓ seconds The frequency of

**rotation**is the number of times the object rotates in one ...2 Answers · Science & Mathematics · 04/02/2015