Posted by **julie** on Sunday, March 7, 2010 at 4:57pm.

i have a test coming up and i have no idea how to do rotations on a cartesian coordinate system. please help me!!

- math -
**MathMate**, Sunday, March 7, 2010 at 7:37pm
Let

P=(x0,y0), original position of a point P

P1=(x1, y1), position of P after rotation through an angle θ.

P1=RP

where

R=rotation matrix in two dimensional space about the origin:

cos(θ) sin(θ)

-sin(θ) cos(θ)

For more information, look up:

http://en.wikipedia.org/wiki/Cartesian_coordinate_system

## Answer This Question

## Related Questions

- Math - Let P be the point (0,-1) and Q be the point (3,2). In this Cartesian ...
- Maths - Polar Coordinate Systems - I've recieved an assignment to investigate ...
- Math - why is the Cartesian Coordinate System unique? The system is unique ...
- Math - Historically, why is the Cartesian Coordinate System unique? The system ...
- Math - Why is the Cartesian System unique? The Cartesian System is unique ...
- Math-Algebra - Can I please have help as to how to solve a system using ...
- Geometry - Historically, why is the Cartesian Coordinate System unique? The ...
- Math - Is the middle point in the Cartesian Coordinate system correctly called ...
- Physics please help - TIgers pitcher justin throws a basketball staright upward ...
- Math - Point A lies at (2, 3) on a coordinate system. If the coordinate axes are...

More Related Questions