In a right triangle ABC, If sin B = 3 / 5, and cos B = 4 / 5 ,then tan B =

Answer 1

Hello Elle,

By definition:

tan B = sin B / cos B

So: tan B = (3/5) / (4/5) = (3/5) * (5/4)

The two 5's cancel out, so the answer is tan B = 3/4