If a is 3cm and tanA is .75, what is B? Right triangle problem
Assuming that "a" is one leg and "b" is the other leg, we have
tanA = a/b = 3/b = .75 = 3/4
So "b" must be 4
And if "B" refers to angle B, we have
tan B = (4/3) →
tan-1(4/3) = B = 53.130102354156°