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