tan(20 deg) = 0.3640 approx.
You seem not to be aware but you could have obtained the answer much more easily and quickly by using the calculator that comes as part of your computer.
the tangent of 60 degrees is 1.7321
The tangent of 0.47 radians is about 0.508. The tangent of 0.47 degrees is about 0.00820.
45 degrees
Tangent(62 degrees) = 1.88073 (rounded) Tangent(62 radians) = -1.09751 (rounded)
1.428148
the tangent of 60 degrees is 1.7321
The tangent of 75 degrees is: 3.7320507852401
The tangent of 89 degrees is: 57.3
Tangent of 30 degrees is 0.5770.577
Tangent is 0.5317
35 degrees :)
The question seems to be incomplete!
Tangent = 0.5
The tangent of 0.47 radians is about 0.508. The tangent of 0.47 degrees is about 0.00820.
The inverse tangent is 0.83448691252602 degrees.
31 degrees
45 degrees