" The diameter of the nine point circle of the triangle with verices "(3,4),(5cos theta,5sin theta)" and "(5sin theta,-5cos theta)" .where "theta in R" is "

The diameter of the nine point circle of the triangle with vertices (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R , is

The diameter of the nine point circle of the triangle with vertices (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R , is

The diameter of the nine point circle of the triangle with vertices (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R , is

The diameter of the nine point circle of the triangle with vertices (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R , is

Vertices of a triangle are (3,4),(5cos theta,5sin theta) and (-5sin theta,5cos theta). Then locus of orthocentre of thetriangle is -

Vertices of a variable triangle are (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R . Locus of its orthocentre is

Vertices of a variable triangle are (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R . Locus of its orthocentre is

Vertices of a variable triangle are (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R . Locus of its orthocentre is

Vertices of a variable triangle are (3, 4), (5 cos theta, 5 sin theta) and (5 sin theta, -5 cos theta) , where theta in R . Locus of its orthocentre is

If 5cos theta+7sin theta=7 then 7cos theta-5sin theta =