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

- Maths - Polar Coordinate Systems - I've recieved an assignment to investigate ...
- 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...
- math,algebra II - can someone show me examples of what is a practical ...
- Biolagy - I a have a bioalgy test coming up on nutrients any idea on how to ...
- mathematical physics - Determine the scale factors for an orthogonal coordinate ...
- physical - Part A Each blade on a wind turbine is engineered to produce an ...
- Math - This question makes reference to an orthonormal basis (i,j), and an ...
- science - The most convenient way to express vectors in the two dimensional ...
- physics - The most convenient way to express vectors in the two dimensional ...

More Related Questions