The line `3x+5y-15sqrt2` is a tangent to the ellipse `x^2/25+y^2/9=1` at a point whose eccentric angle is

The line 3x+5y-15sqrt(2) is a tangent to the ellipse (x^(2))/(25)+(y^(2))/(9)=1 at a point whose eccentric angle is

The locus of the point of intersection of tangents to the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 at the points whose eccentric angles differ by pi//2 , is

The locus of the point of intersection of tangents to the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 at the points whose eccentric angles differ by pi//2 , is

The locus of the point of intersection of tangents to the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 at the points whose eccentric angles differ by pi//2 , is

The line 5x-3y=8sqrt2 is a normal to the ellipse x^(2)/25+y^(2)/9=1 , If 'theta' be eccentric angle of the foot of this normal then theta is equal to

The line 5x-3y=8sqrt2 is a normal to the ellipse x^(2)/25+y^(2)/9=1 , If 'theta' be eccentric angle of the foot of this normal then 'theta' is equal to

The line 5x-3y=8sqrt2 is a normal to the ellipse x^(2)/25+y^(2)/9=1 , If 'theta' be eccentric angle of the foot of this normal then 'theta' is equal to

The line 5x-3y=8sqrt2 is a normal to the ellipse x^(2)/25+y^(2)/9=1 , If 'theta' be eccentric angle of the foot of this normal then 'theta' is equal to

The equation of the normal to the ellipse (x^(2))/(4)+(y^(2))/(2)=1 at the point whose eccentric angle is (pi)/(4) is