SOMEONE HELP ME PLEASE AS SOON AS POSSIBLE

Answer:
Step-by-step explanation:
Following the Pythagoras theorem
SohCahToa
meaning Soh - sine , opposite , hypotenuse
Cah - cos , adjacent , hypotenuse
Toa - tan , opposite ,adjacent
so , therefore sin B is correct,
Hope this is helpful,
Have a nice day . :-)