Trigonometry/Functions/Flash cards

\cos {\frac {\pi }{6}}

Solution

    $\cos {\frac {\pi }{6}}={\frac {\sqrt {3}}{2}}$

\cos {\frac {\pi }{4}}

Solution

    $\cos {\frac {\pi }{4}}={\frac {\sqrt {2}}{2}}$

\cos {\frac {\pi }{3}}

Solution

    $\cos {\frac {\pi }{3}}={\frac {1}{2}}$