Prove that sin(x+y)/sin(x-y)=(tanx+tany)/(tanx-tany) || class 11 chapter 3 example 13

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NCERT 11th class math 3rd chapter trigonometry functions
example13

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  1. Seekho aur sikhao
  2. sin(x y)/sin(x-y)=(tanx tany)/(tanx-tany) prove that
  3. sin(x y)/sin(x-y)=tanx tany/tanx-tany
  4. prove that sin(x y)/sin(x-y)=tanx tany/tanx-tany
  5. sin(x y)/sin(x-y)=a b/a-b=tanx/tany
  6. 11th 3rd chapter example13
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