tan(20 deg) = 0.3640 approx.
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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