Question

equation of tangent on circle​

Answer 1

Answer:

A tangent to a circle at point P with coordinates is a straight line that touches the circle at P. The tangent is perpendicular to the radius which joins the centre of the circle to the point P. As the tangent is a straight line, the equation of the tangent will be of the form y = m x + c .

General Equation

General EquationThe tangent to a circle equation x2+ y2=a2 at (a cos θ, a sin θ ) is x cos θ+y sin θ= a. The tangent to a circle equation x2+ y2=a2 for a line y = mx +c is y = mx ± a √[1+ m2]

Explanation:

Hope this may help you !

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