Trigonometry Examples

$4 = r \cdot \frac{1}{4}$

Step 1

Rewrite the equation as $r \cdot \frac{1}{4} = 4$ .

$r \cdot \frac{1}{4} = 4$

Step 2

Combine $r$ and $\frac{1}{4}$ .

$\frac{r}{4} = 4$

Step 3

Multiply both sides of the equation by $4$ .

$4 \frac{r}{4} = 4 \cdot 4$

Step 4

Simplify both sides of the equation.

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Step 4.1

Simplify the left side.

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Step 4.1.1

Cancel the common factor of $4$ .

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Step 4.1.1.1

Cancel the common factor.

$4 \frac{r}{4} = 4 \cdot 4$

Step 4.1.1.2

Rewrite the expression.

$r = 4 \cdot 4$

Step 4.2

Simplify the right side.

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Step 4.2.1

Multiply $4$ by $4$ .

$r = 16$