Basic Math Examples

$\sin (30) + \cos (60)$

Step 1

The exact value of $\sin (30)$ is $\frac{1}{2}$ .

$\frac{1}{2} + \cos (60)$

Step 2

The exact value of $\cos (60)$ is $\frac{1}{2}$ .

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

Step 3

Combine the numerators over the common denominator.

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

Step 4

Add $1$ and $1$ .

$\frac{2}{2}$

Step 5

Divide $2$ by $2$ .

$1$