Question

pls tell me how to find the equation of tangent if the equation of circle is given
and
how to find the angle between tangents drawn from same point to a circle

Answer 1

YES, I WILL TELL THIS  ANSWER      AN EQUATION INVOLVING LINEAR POLYNOMIAL IS CALLED A LINEAR EQUATION . SOLVING EQUATION WHICH HAVE LINEAR EXPRESSION(S) ON ONE SIDE & NUMBER (S) ON THE OTHER SIDE  LIKE :-  x-2+=7
transposing -2 to RHS
                        x=7+2
                        x=9 is the solution of the equation