Common Trigonometric Values


$Degrees$ $Radians$ $sin(x)$ $cos(x)$ $tan(x)$
$0°$ $0$ $0$ $1$ $0$
$30°$ $\frac { \pi }{ 6 }$ $$\frac { 1 }{ 2 }$$ $$\frac { \sqrt {3} }{ 2 }$$ $$\frac { \sqrt {3} }{ 3 }$$
$45°$ $\frac { \pi }{ 4 }$ $$\frac { \sqrt {2} }{ 2 }$$ $$\frac { \sqrt {2} }{ 2 }$$ $$1$$
$60°$ $\frac { \pi }{ 3 }$ $$\frac { \sqrt {3} }{ 2 }$$ $$\frac { 1 }{ 2 }$$ $$1$$
$90°$ $\frac { \pi }{ 2 }$ $$1$$ $$0$$ $$undefined$$
$180°$ $\pi$ $$0$$ $$-1$$ $$0$$
$270°$ $\frac { 3\pi }{ 2 }$ $$-1$$ $$0$$ $$undefined$$

If you want to be able to memorize this entire table take a couple of minutes and review - How to memorize common trigonometric angles