Draw the unit circle and plot the point P 7 2 Observe there are TWO lines tangent to the circle passing through the point P Answer the questions below with 3 decimal places of accuracy L1 12 a The line L is tangent to the unit circle at the point 0 141 0 993 b The tangent line L has equation y c The line L is tangent to the unit circle at the point d The tangent line L has equation y