Question

how to find the equation of tangent to a circle?

Answer 1

Answer:

How to determine the equation of a tangent:

1. Determine the equation of the circle and write it in the form (x−a)2+(y−b)2=r2.
2. From the equation, determine the coordinates of the centre of the circle (a;b)
3. Determine the gradient of the radius: mCD=y2−y1x2−x1.

Step-by-step explanation:

Please mark it as BRAINLIST answer