Answer:C
Step-by-step explanation:
tane=opposite/adjacent
tane=5/12
Therefore
Opposite=f=5
Adjacent=a=12
Hypotenuse=√(a^2+f^2)
hypotenuse=√(12^2+5^2)
Hypotenuse=√(12x12+5x5)
Hypotenuse=√(144+25)
Hypotenuse=√(169)
Hypotenuse=13
Sine=(opposite)/(hypotenuse)
Sine=5/13
