Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) In the curve represented parametrically by the equations x=2 ln cot t +1 and y = tan t + cot t, - Sarthaks eConnect

In the curve represented parametrically by the equations x=2 ln cot t +1 and y = tan t + cot t,

tangent and normal intersect at the point (2, 1)

normal at `t=pi/4` is parallel to the y-axis

tangent at `t =pi/4` is parallel to the line y = x

tangent at `t =pi/ 4` is parallel to the x-axis