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

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