Question

rotating a point 90 degrees clockwise around the origin

Answer 1

To rotate a point \( (x, y) \) 90 degrees clockwise around the origin, you can use the following transformation:

\[
(x', y') = (y, -x)
\]

Here, \( (x', y') \) is the new location of the point after the rotation.

### Example:
If you have a point \( (3, 4) \):

1. Apply the transformation:
- \( x' = y = 4 \)
- \( y' = -x = -3 \)

So, the rotated point will be \( (4, -3) \).

If you have another point, just apply the same conversion to obtain its new position after a 90-degree clockwise rotation.