θ → x = 2 , y = − 3 , r = 13 {\displaystyle \theta \rightarrow x=2,\,y=-3,\,r={\sqrt {13}}}
sin ( θ ) = − 3 13 13 csc ( θ ) = − 13 3 cos ( θ ) = 2 13 13 sec ( θ ) = 13 2 tan ( θ ) = − 3 2 cot ( θ ) = − 2 3 {\displaystyle {\begin{aligned}\sin {(\theta )}&=-{\frac {3{\sqrt {13}}}{13}}&\csc {(\theta )}&=-{\frac {\sqrt {13}}{3}}\\[2ex]\cos {(\theta )}&={\frac {2{\sqrt {13}}}{13}}&\sec {(\theta )}&={\frac {\sqrt {13}}{2}}\\[2ex]\tan {(\theta )}&={\frac {-3}{2}}&\cot {(\theta )}&={\frac {-2}{3}}\\[2ex]\end{aligned}}}
![{\displaystyle {\begin{aligned}\sin {(\theta )}&=-{\frac {3{\sqrt {13}}}{13}}&\csc {(\theta )}&=-{\frac {\sqrt {13}}{3}}\\[2ex]\cos {(\theta )}&={\frac {2{\sqrt {13}}}{13}}&\sec {(\theta )}&={\frac {\sqrt {13}}{2}}\\[2ex]\tan {(\theta )}&={\frac {-3}{2}}&\cot {(\theta )}&={\frac {-2}{3}}\\[2ex]\end{aligned}}}](https://en.wikipedia.org/api/rest_v1/media/math/render/svg/85ec8a1c809d103a55746f223fbb3f27ab05ffec)