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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- October 22nd 2006, 10:25 PM #1

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- October 22nd 2006, 11:59 PM #2

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- October 23rd 2006, 12:00 AM #3

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