Precalculus Examples

$2 \ln (| \tan (x) |)$

Step 1

Simplify $2 \ln (| \tan (x) |)$ by moving $2$ inside the logarithm.

$\ln ({| \tan (x) |}^{2})$

Step 2

Remove the absolute value in ${| \tan (x) |}^{2}$ because exponentiations with even powers are always positive.

$\ln (\tan^{2} (x))$