The trigonometric ratio that is equal to C/B in the diagram
is tanC.
"SOHCAHTOA"
is a helpful mnemonic for remembering the definitions of the trigonometric
functions sine, cosine, and tangent i.e., sine equals
opposite over hypotenuse, cosine equals
adjacent over hypotenuse, and tangent equals
opposite over adjacent.
The correct answer between all
the choices given is the first choice or letter A. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
