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Значения синуса, косинуса, тангенса и котангенса в \(\frac{\pi}{6},\, \frac{\pi}{4},\, \frac{\pi}{3}\)

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Theory :: Example task

Найдите значение:

\(\displaystyle \sin\frac{\pi}{6}=\)
\frac{1}{2}
Theory :: Solution
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