How do you evaluate $sin(arcsin 0.3)$ ?

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Answer 1 · 2017-08-13T01:06:51

$sin(arcsin(0.3))=0.3$

$arcsin(0.3)$ means an angle say $alpha$ whose sine ratio is $0.3$ .

As $arcsin(0.3)=alpha$ means $sinalpha=0.3$ ......(A)

substituting $alpha$ with $arcsin(0.3)$ , we get

$sin(arcsin(0.3))=0.3$

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