Trigonometry Examples

$\ln (\frac{e^{3}}{7})$

Rewrite $\ln (\frac{e^{3}}{7})$ as $\ln (e^{3}) - \ln (7)$ .

$\ln (e^{3}) - \ln (7)$

Expand $\ln (e^{3})$ by moving $3$ outside the logarithm.

$3 \ln (e) - \ln (7)$

The natural logarithm of $e$ is $1$ .

$3 \cdot 1 - \ln (7)$

Multiply $3$ by $1$ .

$3 - \ln (7)$