Not certain but calculator says 0.577, may have something to do with circle quadrants ie 210 is 30 degrees into third quadrant of circle (tan 30 = 0.577)
see Google - tan in circle, then scroll to sin, cos, tan
tan(61°) = 1.80405 (rounded)
tan(135 degrees) = negative 1.
tan(58.5) = 1.63185 (rounded)
0.26794919243112270647255365849413
0.000155334 (rounded)
B: -tan(25)
cot 115 deg = - tan25 deg
Tan 42 degrees = 0.9004
tan(11o) = 0.19438 =======
tan(22.5)=0.414213562
The answer is 0.2867.
it is tan 89.343 degrees
x = tan-1(5) = 78.69 degrees
Tan(5.2 degrees) = 0.0910 Tan(5.2 radians) = -1.8856
tan(30)=.5773502692
tan(61°) = 1.80405 (rounded)
tan(135 degrees) = negative 1.