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Asked by Vimal Shukshma Raj

Prove that tan6°tan42°tan66°tan78°=1
10 years ago

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Answered by Steve
google is your friend:

https://answers.yahoo.com/question/index?qid=20121228030540AAIm82k
10 years ago
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Prove that tan6°tan42°tan66°tan78°=1

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