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Monday, February 28, 2005
<b> Давайте, действительно шевелим!!! </b>
Требуется вычислить значения следующих выражений без таблицы (разумеется, предполагая, что значения тригонометрических функций от "пи/6", "пи/4", "пи\\3", "пи/2" и "пи" известны):
1. sin1*sin2*sin3*...*sin87*sin88*sin89=?;
2. tg1+tg2+tg3+...+tg175+tg176+tg177=?.
1. sin1*sin2*sin3*...*sin87*sin88*sin89=?;
2. tg1+tg2+tg3+...+tg175+tg176+tg177=?.
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