Calculus Examples

$2 \cos^{4} (\frac{π}{16}) + 2 \cos^{4} (\frac{3 π}{16}) + 2 \cos^{4} (\frac{5 π}{16})$

Step 1

The result can be shown in multiple forms.

Exact Form:

$2 \cos^{4} (\frac{π}{16}) + 2 \cos^{4} (\frac{3 π}{16}) + 2 \cos^{4} (\frac{5 π}{16})$

Decimal Form:

$2.99710283 \dots$