Final answer to the problem
$\arcsin\left(13.5663706\right)$
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Step-by-step Solution
Specify the solving method
1
Multiply $4$ times $\pi $
$\arcsin\left(1+4\pi \right)$
2
Add the values $1$ and $4\pi $
$\arcsin\left(13.5663706\right)$
Final answer to the problem
$\arcsin\left(13.5663706\right)$