tangent(54) is about 0.673800101
0.813
tan (30 degrees) would be equal to 0.577350269.
tan(1) = 1.5574 where the angle is measured in radians.
If B is 90 degrees, Tan A is BC / AB. But I don't know what you mean by Tan A by 2.
tangent(54) is about 0.673800101
Tan 42 degrees = 0.9004
tan(22.5)=0.414213562
tan(61°) = 1.80405 (rounded)
0.26794919243112270647255365849413
2.41
0.7
0.813
tan(135 degrees) = negative 1.
tan(-60 degrees) = - sqrt(3)
Well, darling, the value of tan(58.5 degrees) is approximately 1.612. So, if you're looking to impress someone with your trigonometry skills, go ahead and drop that little nugget of knowledge on them. Just don't expect them to be as impressed as they should be.
tan (30 degrees) would be equal to 0.577350269.