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Trigonometry Examples

$\sin (30)$

Step 1

Find the value using the definition of sine.

$\sin (30) = \frac{opposite}{hypotenuse}$

Step 2

Substitute the values into the definition.

$\sin (30) = \frac{\frac{1}{2}}{1}$

Step 3

Divide $\frac{1}{2}$ by $1$ .

$\frac{1}{2}$

Step 4

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