Labels:text | line | screenshot | font | diagram | number | parallel | plot OCR: y-axis p' (x'y') - P (x,y) A Origin X-axis The point p can be represented by the column matrix and the rotation through the angle A by the square matrix COSA sind -SinA COSA and the point p' is then the matrix product | COSA -sinA sina COSA Figure 1 - Rotation about the origin