Precalculus Examples

$\sin (90) + \tan (45)$

Step 1

Simplify each term.

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Step 1.1

The exact value of $\sin (90)$ is $1$ .

$1 + \tan (45)$

Step 1.2

The exact value of $\tan (45)$ is $1$ .

$1 + 1$

$1 + 1$

Step 2

Add $1$ and $1$ .

$2$

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