The range of values of lambda,lambda>0 such that the angle theta between the pair of tangents drawn from (lambda,0) to the circle x^2+y^2=4 lies in (pi/2,(2pi)/3) is Please explain why I am not getting the answer by the method in the photo ?
The range of values of lambda,lambda>0 such that the angle theta between the pair of tangents drawn from (lambda,0) to the circle x^2+y^2=4 lies in (pi/2,(2pi)/3) is
Please explain why I am not getting the answer by the method in the photo ?
