Answer
$$0.9993$$
Work Step by Step
$$\eqalign{
& \sin 1.5359 \cr
& {\text{using a calculator to find the value }}\left( {{\text{set the calculator in radians mode}}} \right) \cr
& {\text{then}}{\text{, we obain}} \cr
& \sin 1.5359 \approx 0.9993 \cr} $$