Basic Math Examples

$\frac{\sin (\frac{π}{2} + a)}{\cos (π - a)}$

Step 1

Rewrite $\frac{\sin (\frac{π}{2} + a)}{\cos (π - a)}$ as a product.

$\sin (\frac{π}{2} + a) \frac{1}{\cos (π - a)}$

Step 2

Write $\sin (\frac{π}{2} + a)$ as a fraction with denominator $1$ .

$\frac{\sin (\frac{π}{2} + a)}{1} \cdot \frac{1}{\cos (π - a)}$

Step 3

Simplify.

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Step 3.1

Divide $\sin (\frac{π}{2} + a)$ by $1$ .

$\sin (\frac{π}{2} + a) \frac{1}{\cos (π - a)}$

Step 3.2

Convert from $\frac{1}{\cos (π - a)}$ to $\sec (π - a)$ .

$\sin (\frac{π}{2} + a) \sec (π - a)$