6.2 Trigonometric Functions: Unit Circle Approach/14

$\left({\frac {1}{2}},-{\frac {\sqrt {3}}{2}}\right)$

${\begin{aligned}\sin {(t)}&=-{\frac {\sqrt {3}}{2}}\\\cos {(t)}&={\frac {1}{2}}\\\tan {(t)}&={\frac {-{\frac {\sqrt {3}}{2}}}{\frac {1}{2}}}=-{\frac {\sqrt {3}}{2}}\cdot {\frac {2}{1}}=-{\sqrt {3}}\\\end{aligned}}$