Question

help please to be marked brailest

Answer 1

$\sin(b) = \frac{ac}{ab} \\ sin(b) = \frac{5}{ \sqrt{41} } \\ \sin(b) = \frac{5}{ \sqrt{41} } \times \frac{ \sqrt{41} }{ \sqrt{41} } \\ \sin(b) = \frac{5 \sqrt{41} }{41}$

there you go :)