Trigonometry Examples

$x = \tan (90)$

Step 1

Simplify $\tan (90)$ .

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Step 1.1

Rewrite $\tan (90)$ in terms of sines and cosines.

$x = \frac{\sin (90)}{\cos (90)}$

Step 1.2

The exact value of $\cos (90)$ is $0$ .

$x = \frac{\sin (90)}{0}$

Step 2

The equation cannot be solved because it is undefined.

$Undefined$