\(\alpha^\circ\) | \(\alpha\) рад | \(\sin \alpha\) | \(\cos \alpha\) | \(\tan \alpha\) | \(\cot \alpha\) |
\(15^\circ\) | \(\pi/12\) | \(\large\frac{{\sqrt 6 - \sqrt 2 }}{4}\normalsize\) | \(\large\frac{{\sqrt 6 + \sqrt 2 }}{4}\normalsize\) | \(2 - \sqrt 3\) | \(2 + \sqrt 3\) |
\(18^\circ\) | \(\pi/10\) | \(\large\frac{{\sqrt 5 - 1}}{4}\normalsize\) | \(\large\frac{{\sqrt {10 + 2\sqrt 5 } }}{4}\normalsize\) | \(\large\sqrt {\frac{{5 - 2\sqrt 5 }}{5}}\normalsize\) | \(\sqrt {5 + 2\sqrt 5 }\) |
\(36^\circ\) | \(\pi/5\) | \(\large\frac{{\sqrt {10 - 2\sqrt 5 } }}{4}\normalsize\) | \(\large\frac{{\sqrt 5 + 1}}{4}\normalsize\) | \(\large\frac{{\sqrt {10 - 2\sqrt 5 } }}{{\sqrt 5 + 1}}\normalsize\) | \(\large\frac{{\sqrt 5 + 1}}{{\sqrt {10 - 2\sqrt 5 } }}\normalsize\) |
\(54^\circ\) | \(3\pi/10\) | \(\large\frac{{\sqrt 5 + 1}}{4}\normalsize\) | \(\large\frac{{\sqrt {10 - 2\sqrt 5 } }}{4}\normalsize\) | \(\large\frac{{\sqrt 5 + 1}}{{\sqrt {10 - 2\sqrt 5 } }}\normalsize\) | \(\large\frac{{\sqrt {10 - 2\sqrt 5 } }}{{\sqrt 5 + 1}}\normalsize\) |
\(72^\circ\) | \(2\pi/5\) | \(\large\frac{{\sqrt {10 + 2\sqrt 5 } }}{4}\normalsize\) | \(\large\frac{{\sqrt 5 - 1}}{4}\normalsize\) | \(\sqrt {5 + 2\sqrt 5 }\) | \(\large\sqrt {\frac{{5 - 2\sqrt 5 }}{5}}\normalsize\) |
\(75^\circ\) | \(5\pi/12\) | \(\large\frac{{\sqrt 6 + \sqrt 2 }}{4}\normalsize\) | \(\large\frac{{\sqrt 6 - \sqrt 2 }}{4}\normalsize\) | \(2 + \sqrt 3\) | \(2 - \sqrt 3\) |