1.37638 (rounded)
tangent(54) is about 0.673800101
0.813
tan (30 degrees) would be equal to 0.577350269.
If B is 90 degrees, Tan A is BC / AB. But I don't know what you mean by Tan A by 2.
Radians. tan(54) = 0.6738 =======
tangent(54) is about 0.673800101
Tan 42 degrees = 0.9004
Tan(74 degrees) = 3.487414444.....
tan(22.5)=0.414213562
tan(61°) = 1.80405 (rounded)
0.26794919243112270647255365849413
2.41
0.813
tan(135 degrees) = negative 1.
tan (30 degrees) would be equal to 0.577350269.
tan(-60 degrees) = - sqrt(3)
1.8807 is. (rounded)