Trigonometry Examples

$\tan (450)$

Step 1

Rewrite

$\tan (450)$ in terms of sines and cosines.

$\frac{\sin (450)}{\cos (450)}$

Step 2

Remove full rotations of

$360$ ° until the angle is between

$0$ ° and

$360$ °.

$\frac{\sin (450)}{\cos (90)}$

Step 3

The exact value of

$\cos (90)$ is

$0$ .

$\frac{\sin (450)}{0}$

Step 4

The expression contains a division by

$0$ . The expression is undefined.

Undefined

$\tan (450)$

(

)

[

]

√



≥















≤





































$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$