Calculus Examples

$\cos^{-1} (\frac{1}{3})$

Step 1

To convert radians to degrees, multiply by $\frac{180}{π}$ , since a full circle is $360 °$ or $2 π$ radians.

$(\cos^{-1} (\frac{1}{3})) \cdot \frac{180 °}{π}$

Step 2

Evaluate $\cos^{-1} (\frac{1}{3})$ .

$1.23095941 \cdot \frac{180}{π}$

Step 3

Multiply $1.23095941 \frac{180}{π}$ .

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Step 3.1

Combine $1.23095941$ and $\frac{180}{π}$ .

$\frac{1.23095941 \cdot 180}{π}$

Step 3.2

Multiply $1.23095941$ by $180$ .

$\frac{221.57269512}{π}$

Step 4

Replace $π$ with an approximation.

$\frac{221.57269512}{3.14159265}$

Step 5

Divide $221.57269512$ by $3.14159265$ .

$70.52877936$

Step 6

Convert to a decimal.

$70.52877936 °$