Trigonometry Examples

$\sin^{2} (\frac{1}{2} \cdot \arccos (\frac{4}{5}))$

Step 1

Evaluate $\arccos (\frac{4}{5})$ .

$\sin^{2} (\frac{1}{2} \cdot 0.6435011)$

Step 2

Combine $\frac{1}{2}$ and $0.6435011$ .

$\sin^{2} (\frac{0.6435011}{2})$

Step 3

Divide $0.6435011$ by $2$ .

$\sin^{2} (0.32175055)$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\sin^{2} (\frac{1}{2} \cdot \arccos (\frac{4}{5}))$

Decimal Form:

$0.1$