menukc527
menukc527 menukc527
  • 03-04-2021
  • Mathematics
contestada

Without using calculator or a table,prove that:Cot20°=2tan 50°+tan20°​

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smithkekoal970
smithkekoal970 smithkekoal970
  • 03-04-2021

here you go. hope it help.

brainliest is appreciate

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