Trigonometry Examples

$\log (\frac{4}{5})$

Step 1

Rewrite $\log (\frac{4}{5})$ as $\log (4) - \log (5)$ .

$\log (4) - \log (5)$

Step 2

Simplify each term.

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Step 2.1

Rewrite $\log (4)$ as $\log (2^{2})$ .

$\log (2^{2}) - \log (5)$

Step 2.2

Expand $\log (2^{2})$ by moving $2$ outside the logarithm.

$2 \log (2) - \log (5)$