#themathsgurudev, Q3, EX3.5, CH3, prove that :(a+b)/c = cos{(A-B)/2}/sinC/2, NCERT, CLASS 11,

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#themathsgurudev, For any triangle ABC, prove that :(a+b)/c = cos{(A-B)/2}/sinC/2, NCERT, CLASS 11, TRIGONOMETRIC FUNCTIONS, CBSE,
Properties of Triangle: (a+b)/c = Cos ((A-B)/2) / Sin C/2,`(a+b)sinc/2=c cos((A-B)/2)`,Question From - NCERT Maths Class 11 Chapter 3 EXERCISE 3.5 Question – 3 TRIGONOMETRIC FUNCTIONS CBSE, RBSE, UP, MP, BIHAR BOARD,Q3, EX3.5, CH3,
  1. GURUDEV CLASSES
  2. #themathsgurudev
  3. For any triangle ABC
  4. prove that :(a b)/c = cos{(A-B)/2}/sinC/2
  5. NCERT
  6. CLASS 11
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