Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A curve is represented by the equations `x =sec^2 t` and `y=cot t,` where t is a parameter. If the tangent at the point P on the curve where `t=pi/4 `meets the curve again at the point Q, then |PQl is equal to - Sarthaks eConnect

A curve is represented by the equations `x =sec^2 t` and `y=cot t,` where t is a parameter. If the tangent at the point P on the curve where `t=pi/4 `meets the curve again at the point Q, then |PQl is equal to

A curve is represented by the equations `x =sec^2 t` and `y=cot t,` where t is a parameter. If the tangent at the point P on the curve where `t=pi/4 `meets the curve again at the point Q, then |PQl is equal to

A.

`(5sqrt3)/2`

B.

`(5sqrt5)/2`

C.

`(2sqrt5)/3`

D.

`(3sqrt5)/2`