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Change of variables_ tangent substitutions

Change of variables_ tangent substitutions

Update: 2013-01-29
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This video contains two examples of how to integrate functions containing factors of the square root of 1+x^2. Emphasis is placed on the reason why a tangent substitution can help with such integrals. [Released under Creative Commons Attribution-NonCommercial-ShareAlike 2.0 UK: England & Wales licence.]
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Change of variables_ tangent substitutions

Change of variables_ tangent substitutions

Martin Lavelle