How do you find the exact value of $sin^-1 (-1/2)$ ?

Question

3981 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-12-18T05:01:14

Use the sine inverse button on your calculator.

If you have a scientific calculator, use the sine inverse ( $sin^-1$ ) function on your calculator, and plug in -0.5.

You could do it without a calculator, but that's really unnecessary.

How do you find the exact value of sin^-1 (-1/2)sin^-1 (-1/2)?