How do you evaluate $arcsin 0$ ?

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Answer 1 · 2018-05-06T15:38:37

The angles that have a zero sine are zero, $180^circ$ and any multiple of $180^circ,$ or in radians, $arcsin (0)= k pi$ for integer $k$ .

The principal value is of course $0^circ$ :

$text{Arc}text{sin}(0) = 0^circ$

How do you evaluate arcsin 0arcsin 0?