Image:Weierstrass substitution.png

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Tangent half-angle formula, or the Method of Last Resort (Weierstrass substitution)

t=\tan\left({\varphi\over2}\right)
Description

Tangent half-angle formula
Source

Done in Mathematica by Fibonacci
Date

December 10, 2005
Author

Fibonacci
Permission

Creative Commons Attribution ShareAlike 2.0 License


I, the author of this work, hereby publish it under the following license:
Creative Commons License
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