That is basically splitting the sentence so that it’s easier for you to solve it. It’s basically the same thing
Tan (x) = 0.8. To calculate the angle x, find the tan⁻¹ (0.8) = 38.7°
Multiply both by -1: 113.75-112=1.75
multiply answer by -1: -1.75
The table would fit because if he rolled the table in which sideways it would fit since its smaller than the door