Trigonometry Examples

$- \frac{π}{2}$

Step 1

The complement of $- \frac{π}{2}$ is the angle that when added to $- \frac{π}{2}$ forms a right angle ( $\frac{π}{2}$ radians).

$\frac{π}{2} - (- \frac{π}{2})$

Step 2

Multiply $- (- \frac{π}{2})$ .

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Step 2.1

Multiply $- 1$ by $- 1$ .

$\frac{π}{2} + 1 \frac{π}{2}$

Step 2.2

Multiply $\frac{π}{2}$ by $1$ .

$\frac{π}{2} + \frac{π}{2}$

Step 3

Combine the numerators over the common denominator.

$\frac{π + π}{2}$

Step 4

Add $π$ and $π$ .

$\frac{2 π}{2}$

Step 5

Cancel the common factor of $2$ .

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Step 5.1

Cancel the common factor.

$\frac{2 π}{2}$

Step 5.2

Divide $π$ by $1$ .

$π$