I am trying to work out the exact value of tan(15) using the ratios in terms of tan. But the book doesn't make any sense. Can some please explain how to solve this?

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- Oct 22nd 2006, 09:25 PM #1

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- Oct 22nd 2006, 10:59 PM #2

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- Oct 22nd 2006, 11:00 PM #3

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