Date: 2017-03-02 07:02 pm (UTC)
From: [identity profile] utnapishti.livejournal.com
Ты чё, как так меньше вычислений? Там нужен тангенс разности и всякое такое! А моим способом сразу получешь уравнение
x^2 + (a/2)^2 = (b - a/2)^2,
и усё!
А если помншь теорему о высоте прямоугольного треугольника, то вообще сразу x^2 = b(b-a).
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