Precalculus Examples

87 °

$87 °$

Step 1

The complement of

87 °

$87 °$ is the angle that when added to

87 °

$87 °$ forms a right angle (

90 °

$90 °$ ).

90 ° - 87

$90 ° - 87$

Step 2

Subtract

87

$87$ from

90

$90$ .

3 °

$3 °$

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⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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