Thread: angle bisection
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Old 2017-11-09, 18:43   #1
bhelmes
 
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Mar 2016

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Default angle bisection

A peaceful day for all,

a, b, c element N are known, where a, b, c build a pyth. trippel with a^2+b^2=c^2

tan (alpha)=a/b

is there a way to calculate tan (alpha/2) without using the angle ?
if not, how accurate i have to choose alpha to get a good result /
the rational number of tan (alpha/2) ?

Thanks in advance, if you give me a hint.

Greetings from the primes
Bernhard
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