Trigonometry Examples

$\sin^{-1} (0.65)$

Step 1

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

Step 2

Evaluate $\sin^{-1} (0.65)$ .

$0.70758443 \cdot \frac{π}{180}$ radians

Step 3

Multiply $0.70758443 \frac{π}{180}$ .

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Step 3.1

Combine $0.70758443$ and $\frac{π}{180}$ .

$\frac{0.70758443 π}{180}$ radians

Step 3.2

Multiply $0.70758443$ by $π$ .

$\frac{2.22294206}{180}$ radians

Step 4

Divide $2.22294206$ by $180$ .

$0.01234967$ radians