half angle formula proof ||sin A/2 = ±√[(1 - cos A) / 2]

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sine half angle formula

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  1. Seekho aur sikhao
  2. half angle formula of sin is sin A/2 = ±√[(1 - cos A) / 2].
  3. prove that: sin(A/2)=root((1-cosA)/2)
  4. half angle formula proof ||sin is sin A/2 = ±√[(1 - cos A) / 2]
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