Trigonometry: Prove that [(cosA+sinA)/(cosA-sinA)]-[(cosA-sinA)/(cosA+sinA)]=2tan2A.

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Trigonometry: Prove that [(cosA+sinA)/(cosA-sinA)]-[(cosA-sinA)/(cosA+sinA)]=2tan2A.
  1. SOLVING MATH PROBLEMS
  2. Trigonometry
  3. prove that
  4. [(cosA sinA)/(cosA-sinA)]-[(cosA-sinA)/(cosA sinA)]=2tan2A.
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