Trigonometry Examples

$\cos (0.6 + π)$

Step 1

Replace with decimal approximation.

$\cos (0.6 + 3.14159265)$

Step 2

Add $0.6$ and $3.14159265$ .

$\cos (3.74159265)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\cos (3.74159265)$

Decimal Form:

$- 0.82533561 \dots$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$