How do you evaluate $arcsin (\frac{1}{2})$ $arcsin(1/2)$ without a calculator?

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Answer 1 · 2017-12-09T14:06:14

$arcsin (\frac{1}{2}) = \frac{π}{6}$ $arcsin(1/2)=pi/6$

$arcsin (\frac{1}{2})$ $arcsin(1/2)$ means the angle whose sine ratio is $\frac{1}{2}$ $1/2$

As $sin (\frac{π}{6}) = \frac{1}{2}$ $sin(pi/6)=1/2$ ,

$arcsin (\frac{1}{2}) = \frac{π}{6}$ $arcsin(1/2)=pi/6$

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