there are so many formulas in chapter circles. for ex. formula of chord of contact,power of a point, equation of a pair of tangents etc. could u tell me how to drive these formulas so that it is easier for me to remember them
there are so many formulas in chapter circles. for ex. formula of chord of contact,power of a point, equation of a pair of tangents etc. could u tell me how to drive these formulas so that it is easier for me to remember them










