Trigonometry Examples

$\sin (80) = \frac{x}{20}$

Step 1

Rewrite the equation as

$\frac{x}{20} = \sin (80)$ .

$\frac{x}{20} = \sin (80)$

Step 2

Multiply both sides of the equation by

$20$ .

$20 \frac{x}{20} = 20 \sin (80)$

Step 3

Simplify both sides of the equation.

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Step 3.1

Simplify the left side.

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Step 3.1.1

Cancel the common factor of

$20$ .

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Step 3.1.1.1

Cancel the common factor.

$20 \frac{x}{20} = 20 \sin (80)$

Step 3.1.1.2

Rewrite the expression.

$x = 20 \sin (80)$

$x = 20 \sin (80)$

$x = 20 \sin (80)$

Step 3.2

Simplify the right side.

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Step 3.2.1

Simplify

$20 \sin (80)$ .

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Step 3.2.1.1

Evaluate

$\sin (80)$ .

$x = 20 \cdot 0.98480775$

Step 3.2.1.2

Multiply

$20$ by

$0.98480775$ .

$x = 19.69615506$

$x = 19.69615506$

$x = 19.69615506$

$x = 19.69615506$

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