Trigonometry Examples

4 p

$4 p$

Step 1

To convert radians to degrees, multiply by

\frac{180}{π}

$\frac{180}{π}$ , since a full circle is

360 °

$360 °$ or

2 π

$2 π$ radians.

(4 p) \cdot \frac{180 °}{π}

$(4 p) \cdot \frac{180 °}{π}$

Step 2

Multiply

(4 p) \frac{180}{π}

$(4 p) \frac{180}{π}$ .

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Step 2.1

Combine

4

$4$ and

\frac{180}{π}

$\frac{180}{π}$ .

p \frac{4 \cdot 180}{π}

$p \frac{4 \cdot 180}{π}$

Step 2.2

Multiply

4

$4$ by

180

$180$ .

p \frac{720}{π}

$p \frac{720}{π}$

Step 2.3

Combine

p

$p$ and

\frac{720}{π}

$\frac{720}{π}$ .

\frac{p \cdot 720}{π}

$\frac{p \cdot 720}{π}$

\frac{p \cdot 720}{π}

$\frac{p \cdot 720}{π}$

Step 3

Move

720

$720$ to the left of

p

$p$ .

\frac{720 p}{π}

$\frac{720 p}{π}$

Step 4

π

$π$ is approximately equal to

3.14159265

$3.14159265$ .

\frac{720 p}{3.14159265}

$\frac{720 p}{3.14159265}$

Step 5

Convert to a decimal.

4 p

$4 p$

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

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