Precalculus Examples

$\frac{1}{\cot (u)}$

Step 1

Rewrite $\cot (u)$ in terms of sines and cosines.

$\frac{1}{\frac{\cos (u)}{\sin (u)}}$

Step 2

Multiply by the reciprocal of the fraction to divide by $\frac{\cos (u)}{\sin (u)}$ .

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

Step 3

Convert from $\frac{\sin (u)}{\cos (u)}$ to $\tan (u)$ .

$\tan (u)$