Answer
$\sin 27.2^{\circ}$ = 0.4571
Work Step by Step
Using calculator in degree mode-
27.2 → $\sin$ →→ 0.4570979271
i.e. $\sin 27.2^{\circ}$ = 0.4570979271
Rounding it to four places past the decimal point-
$\sin 27.2^{\circ}$ = 0.4571