# Trig Table (1)

Use this table to calculate trigonometric expressions. Results were checked on a calculator on the 02/10/2016.

It turns out that:

$\frac { 1 }{ 2 } \sqrt { 2 } \approx 0.707$

$-\frac { 1 }{ 2 } \sqrt { 2 } \approx -0.707$

$\theta$ $\sin { \left( \theta \right) }$ $\cos { \left( \theta \right) }$ $\tan { \left( \theta \right) }$
$-2\pi$ $0.0$ $1$ $0.0$
$-\frac { 7 }{ 4 } \pi$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $1$
$-\frac { 3 }{ 2 } \pi$ $1$ $0.0$ $N.A$
$-\frac { 5 }{ 4 } \pi$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $-1$
$-\pi$ $0.0$ $-1$ $0.0$
$-\frac { 3 }{ 4 } \pi$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $1$
$-\frac { 1 }{ 2 } \pi$ $-1$ $0.0$ $N.A$
$-\frac { 1 }{ 4 } \pi$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $-1$
$0.0$ $0.0$ $1$ $0.0$
$\frac { 1 }{ 4 } \pi$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $1$
$\frac { 1 }{ 2 } \pi$ $1$ $0.0$ $N.A$
$\frac { 3 }{ 4 } \pi$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $-1$
$\pi$ $0.0$ $-1$ $0.0$
$\frac { 5 }{ 4 } \pi$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $1$
$\frac { 3 }{ 2 } \pi$ $-1$ $0.0$ $N.A$
$\frac { 7 }{ 4 } \pi$ $-\frac { 1 }{ 2 } \sqrt { 2 }$ $\frac { 1 }{ 2 } \sqrt { 2 }$ $-1$
$2\pi$ $0.0$ $1$ $0.0$

See these trigonometric graphs on Desmos: