#themathsgurudev, For any triangle ABC, prove that :(b^2-c^2)/a^2=sin(B-C)/sin(B+C) , Class 11 MATHS

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#themathsgurudev, For any triangle ABC, prove that :(b^2-c^2)/a^2=sin(B-C)/sin(B+C) , Class 11 MATHEMATICS,TRIGONOMETRIC FUNCTIONS, ncert, cbse,
  1. GURUDEV CLASSES
  2. #themathsgurudev
  3. For any triangle ABC
  4. prove that :(b^2-c^2)/a^2=sin(B-C)/sin(B C)
  5. Class 11 MATHEMATICS
  6. TRIGONOMETRIC FUNCTIONS
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