Trigonometry Examples

$\sin (45 °) + \cos (60 °)$

Step 1

The exact value of $\sin (45 °)$ is $\frac{\sqrt{2}}{2}$ .

$\frac{\sqrt{2}}{2} + \cos (60 °)$

Step 2

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

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

Step 3

The result can be shown in multiple forms.

Exact Form:

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

Decimal Form:

$1.20710678 \dots$