Trigonometry Examples

$\log_{36} (6) = w$

Step 1

Rewrite the equation as $w = \log_{36} (6)$ .

$w = \log_{36} (6)$

Step 2

Logarithm base $36$ of $6$ is $\frac{1}{2}$ .

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Step 2.1

Rewrite as an equation.

$w = \log_{36} (6) = x$

Step 2.2

Rewrite $\log_{36} (6) = x$ in exponential form using the definition of a logarithm. If $x$ and $b$ are positive real numbers and $b$ does not equal $1$ , then $\log_{b} (x) = y$ is equivalent to $b^{y} = x$ .

$w = 36^{x} = 6$

Step 2.3

Create expressions in the equation that all have equal bases.

$w = {(6^{2})}^{x} = 6^{1}$

Step 2.4

Rewrite ${(6^{2})}^{x}$ as $6^{2 x}$ .

$w = 6^{2 x} = 6^{1}$

Step 2.5

Since the bases are the same, then two expressions are only equal if the exponents are also equal.

$w = 2 x = 1$

Step 2.6

Solve for $x$ .

$w = x = \frac{1}{2}$

Step 2.7

The variable $x$ is equal to $\frac{1}{2}$ .

$w = \frac{1}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$w = \frac{1}{2}$

Decimal Form:

$w = 0.5$