Precalculus Examples

$\frac{1 - \sin^{2} (t)}{\cos^{2} (t)}$

Step 1

Apply pythagorean identity.

$\frac{\cos^{2} (t)}{\cos^{2} (t)}$

Step 2

Cancel the common factor of $\cos^{2} (t)$ .

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Step 2.1

Cancel the common factor.

$\frac{\cos^{2} (t)}{\cos^{2} (t)}$

Step 2.2

Rewrite the expression.

$1$

$1$

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