Answer
$$\sin 2.3581 \approx 0.7058$$
Work Step by Step
$$\eqalign{
& \sin 2.3581 \cr
& {\text{using a calculator to find the value }}\left( {{\text{set the calculator in radians mode}}} \right) \cr
& {\text{then}}{\text{, we obain}} \cr
& \sin 2.3581 \approx 0.7058 \cr} $$