Trigonometry Examples

$\arccos (\frac{{4.8}^{2} + 9^{2}}{2 (4.8) (9)})$

Step 1

Simplify the numerator.

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Step 1.1

Raise $4.8$ to the power of $2$ .

$\arccos (\frac{23.04 + 9^{2}}{2 (4.8) \cdot 9})$

Step 1.2

Raise $9$ to the power of $2$ .

$\arccos (\frac{23.04 + 81}{2 (4.8) \cdot 9})$

Step 1.3

Add $23.04$ and $81$ .

$\arccos (\frac{104.04}{2 (4.8) \cdot 9})$

$\arccos (\frac{104.04}{2 (4.8) \cdot 9})$

Step 2

Simplify the denominator.

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Step 2.1

Multiply $2$ by $4.8$ .

$\arccos (\frac{104.04}{9.6 \cdot 9})$

Step 2.2

Multiply $9.6$ by $9$ .

$\arccos (\frac{104.04}{86.4})$

$\arccos (\frac{104.04}{86.4})$

Step 3

Divide $104.04$ by $86.4$ .

$\arccos (1.2041\overline{6})$

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