Trigonometry Examples

$- \frac{1}{2 e} + \frac{1}{2}$

Step 1

To write $\frac{1}{2}$ as a fraction with a common denominator, multiply by $\frac{e}{e}$ .

$- \frac{1}{2 e} + \frac{1}{2} \cdot \frac{e}{e}$

Step 2

Multiply $\frac{1}{2}$ by $\frac{e}{e}$ .

$- \frac{1}{2 e} + \frac{e}{2 e}$

Step 3

Combine the numerators over the common denominator.

$\frac{- 1 + e}{2 e}$

Step 4

Rewrite $- 1$ as $- 1 (1)$ .

$\frac{- 1 (1) + e}{2 e}$

Step 5

Factor $- 1$ out of $e$ .

$\frac{- 1 (1) - 1 (- e)}{2 e}$

Step 6

Factor $- 1$ out of $- 1 (1) - 1 (- e)$ .

$\frac{- 1 (1 - e)}{2 e}$

Step 7

Move the negative in front of the fraction.

$- \frac{1 - e}{2 e}$

Step 8

The result can be shown in multiple forms.

Exact Form:

$- \frac{1 - e}{2 e}$

Decimal Form:

$0.31606027 \dots$