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tanA.tan(A+60)+tanA.tan(A-60)+tan(A+60)tan(A-60)=-3

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tanA.tan(A+60)+tanA.tan(A-60)+tan(A+60)tan(A-60)=-3
  • 1 answers

Arun Sharma 1 year, 4 months ago

L.H.S=R.H.S
http://mycbseguide.com/examin8/

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