Mathematics · supplementary
Parametric form of line through a point for JEE
Straight line: Various forms of equations of a line, intersection of lines, angles between two lines
Formula
\(x=x_1+r\cos\theta,\ y=y_1+r\sin\theta\)
Variables: \((x_1,y_1)\) is a fixed point, \(\theta\) is inclination, \(r\in\mathbb{R}\).
Intersection, distance, line-circle problems.