Area of the triangle formed by the tangents at the point on the ellipse `x^2/a^2+y^2/b^2=1` whose eccentric angles are `alpha,beta,gamma` is

The area of the triangle formed by three points on the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 whose eccentric angles are alpha,beta and gamma is

The points on the ellipse (x^(2))/(25)+(y^(2))/(9)=1 Whose eccentric angles differ by a right angle are

P and Q are two points on the ellipse (x^(2))/(a^(2)) +(y^(2))/(b^(2)) =1 whose eccentric angles are differ by 90^(@) , then

Area of the parallelogram formed by the tangents at the points whose eccentric angles are theta,theta+((pi)/(2)),theta+pi,theta+((3 pi)/(2)) on the ellipse 16x^(2)+25y^(2)=400 is

The minimum area of the triangle formed by any tangent to the ellipse x^2/16+y^2/81=1 and the coordinate axes is :

The area of the parallelogram formed by the tangents at the points whose eccentric angles are theta, theta +(pi)/(2), theta +pi, theta +(3pi)/(2) on the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2)) =1 is

The minimum area of triangle formed by tangents to the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and the coordinateaxes is