Prove that tanA+tanB+tanB=tanA.tanB.tanC

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Prove that tanA+tanB+tanB=tanA.tanB.tanC
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#1stsem
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  1. SK. MD Maths Solutions
  2. Prove that tanA tanB tanB=tanA.tanB.tanC
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Prove that tanA+tanB+tanB=tanA.tanB.tanC 0:02:31

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