Trigonometry Examples

$\frac{k}{3} < 3$

Step 1

Multiply both sides by $3$ .

$\frac{k}{3} \cdot 3 < 3 \cdot 3$

Step 2

Simplify.

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Step 2.1

Simplify the left side.

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Step 2.1.1

Cancel the common factor of $3$ .

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Step 2.1.1.1

Cancel the common factor.

$\frac{k}{3} \cdot 3 < 3 \cdot 3$

Step 2.1.1.2

Rewrite the expression.

$k < 3 \cdot 3$

$k < 3 \cdot 3$

$k < 3 \cdot 3$

Step 2.2

Simplify the right side.

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Step 2.2.1

Multiply $3$ by $3$ .

$k < 9$

$k < 9$

$k < 9$

Step 3

The result can be shown in multiple forms.

Inequality Form:

$k < 9$

Interval Notation:

$(- \infty, 9)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$