2sinxcosy=sin(x+y)+sin(x-y) proof that trigonometry formula

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#2sinxcosy=sin(x+y)+sin(x-y) proof that trigonometry formula

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  1. Seekho aur sikhao
  2. 2sinxcosy=
  3. 2sinacosb=sin(a b) sin(a-b)
  4. 2sinxcosy=sin(x y) sin(x-y) proof that trigonometry formula
  5. 2sinxsiny=
  6. 2cosxcosy=
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