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## msimauchi Group Title what is the arcsin(sin3pi) one year ago one year ago

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1. zepdrix Group Title

The range of arcsine is restricted from $$\large -\pi/2$$ to $$\large \pi/2$$. $\large \arcsin\left(\sin(3\pi)\right)\qquad = \qquad \arcsin\left(0\right) \qquad = \qquad 0$

2. Ajk Group Title

Those domain restrictions always find a way to ruin your day if you neglect them.

3. electrokid Group Title

darn. and it promptly did