stevevija1k stevevija1k
  • 25-04-2017
  • Mathematics
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(Sin^2x-Sin^2y)l(Cos^2x-Sin^2y) = Tan (x+y)/Cot (x-y)

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ivettesoccer
ivettesoccer ivettesoccer
  • 25-04-2017
whats in the middle of the left side equation

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