Algebra Examples

$\sin (30 °) + \cos (60 °)$

Step 1

Simplify each term.

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Step 1.1

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

$\frac{1}{2} + \cos (60 °)$

Step 1.2

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

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

Step 2

Combine fractions.

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Step 2.1

Combine the numerators over the common denominator.

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

Step 2.2

Simplify the expression.

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Step 2.2.1

Add $1$ and $1$ .

$\frac{2}{2}$

Step 2.2.2

Divide $2$ by $2$ .

$1$