To remove xy-term from the equation `ax^(2)+2hxy+by^(2)=0` the axes should be rotated through an angle `theta`=( when `a!=b`)

To remove xy -term from the equation ax^(2)+2hxy+by^(2)=0 the axes should be rotated through an angle is if (a!=b)

The transformed equation of x^(2)+6xy+8y^(2)=10 when the axes are rotated through an angled pi//4 is

The transformed equation of x^(2)+y^(2)=r^(2) when the axes are rotated through an angle 36^(@) is

The equation 4xy-3x^(2)=a^(2) become when the axes are turned through an angle tan^(-1)2 is

The transformed equation of curve x^(2)+2sqrt(3)xy-y^(2)-8=0, when the axes are rotated through an angle (pi)/(6) is

The transformed equation of (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 when the axes are rotated through an angle 90^@

The transformed equation of (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 when the axes are rotated through an angle 90^(@) is

.Find the transformed equation of x^(2)+2sqrt(3)xy-y^(2)=2a^(2) .When the axes are rotated through an angle 30^(@)

To remove xy term from the second degree equation 5x^2 + 8xy + 5y^2 + 3x + 2y + 5 = 0 , the coordinates axes are rotated through an angle theta , then theta equals -