Using the tangent angle addition identity | Trigonometry | Precalculus | Khan Academy

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Find the tangent of 13pi/12 without a calculator using the tangent angle addition identity. ... https://www.youtube.com/watch?v=4nPMCRuts9o Note: All Khan Academy content is available for free at (www.khanacademy.org)

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2022-01-07

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