Trigonometry Examples

$b = \arccos (\frac{9}{24})$

Step 1

Cancel the common factor of $9$ and $24$ .

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Step 1.1

Factor $3$ out of $9$ .

$b = \arccos (\frac{3 (3)}{24})$

Step 1.2

Cancel the common factors.

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Step 1.2.1

Factor $3$ out of $24$ .

$b = \arccos (\frac{3 \cdot 3}{3 \cdot 8})$

Step 1.2.2

Cancel the common factor.

$b = \arccos (\frac{3 \cdot 3}{3 \cdot 8})$

Step 1.2.3

Rewrite the expression.

$b = \arccos (\frac{3}{8})$

$b = \arccos (\frac{3}{8})$

$b = \arccos (\frac{3}{8})$

Step 2

Evaluate $\arccos (\frac{3}{8})$ .

$b = 1.18639955$

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