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In /\ABC,if (a^2+b^2)sin(A-B)=(a^2-b^2)s...

In `/_\ABC`,if `(a^2+b^2)sin(A-B)=(a^2-b^2)sin (A+B)`,show that the triangle is either isosceles or right angled.

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If (a^(2) + b^(2))sin (A-B) = (a^(2)-b^(2)) sin(A+B) then show that, the triangle is either isoscelels or right angled.

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