Вычисли

• \(0\)
• \(1\)
• \(-1\)
• \(\dfrac{1}{2}\)
• \(-\dfrac{1}{2}\)
• \(\dfrac{\sqrt{3}}{2}\)
• \(-\dfrac{\sqrt{3}}{2}\)
• \(\dfrac{\sqrt{2}}{2}\)
• \(-\dfrac{\sqrt{2}}{2}\)
• \(\sqrt{3}\)
• \(-\sqrt{3}\)
• \(\dfrac{\sqrt{3}}{3}\)
• \(-\dfrac{\sqrt{3}}{3}\)

\(\cos45^{\circ}=\) [ ]

\(\sin150^{\circ}=\) [ ]

\(\tg210^{\circ}=\) [ ]

\(\ctg(-45^{\circ})=\) [ ]