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March 28, 2024, 08:38:01 pm

Author Topic: Proving triple angle formula for tan  (Read 1739 times)  Share 

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hinakamishiro

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Proving triple angle formula for tan
« on: July 23, 2016, 03:34:20 pm »
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Hi there! I was wondering how to prove the triple angle formula for tan using the triple angle formulas for sin and cos? Thanks!

RuiAce

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Re: Proving triple angle formula for tan
« Reply #1 on: July 23, 2016, 05:02:25 pm »
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Hi there! I was wondering how to prove the triple angle formula for tan using the triple angle formulas for sin and cos? Thanks!


hinakamishiro

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Re: Proving triple angle formula for tan
« Reply #2 on: July 24, 2016, 12:18:16 pm »
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Thanks! I would have never thought of that line.