Principle Of Mathematical Induction

Question
CBSEENMA11014009

If in triangle ABC, space space fraction numerator straight a squared minus straight b squared over denominator straight a squared plus straight b squared end fraction equals fraction numerator sin space left parenthesis straight A minus straight B right parenthesis over denominator sin space left parenthesis straight A plus straight B right parenthesis end fraction comma prove that it is either a right angled or an isosceles triangle.

Solution

Solution not provided.