Trigonometry Examples

$x = \arctan (\frac{200}{90})$

Step 1

Cancel the common factor of $200$ and $90$ .

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Step 1.1

Factor $10$ out of $200$ .

$x = \arctan (\frac{10 (20)}{90})$

Step 1.2

Cancel the common factors.

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Step 1.2.1

Factor $10$ out of $90$ .

$x = \arctan (\frac{10 \cdot 20}{10 \cdot 9})$

Step 1.2.2

Cancel the common factor.

$x = \arctan (\frac{10 \cdot 20}{10 \cdot 9})$

Step 1.2.3

Rewrite the expression.

$x = \arctan (\frac{20}{9})$

$x = \arctan (\frac{20}{9})$

$x = \arctan (\frac{20}{9})$

Step 2

Evaluate $\arctan (\frac{20}{9})$ .

$x = 1.1479424$

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