Provided that B is not an odd multiple of pi/2 then
tan(B) = sin(B)/cos(B).
Then, if B is measured in radians, thensin(B) = B - B^3/3! + B^5/5! - B^7/7! + ...
and
cos(B) = 1 - B^2/2! + B^4/4! - B^6/6! + ...
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This ratio is the tangent of the angle.If the triangle is a right angled triangle and the angle in question is not the right angle, then it is the tangent of the angle in question.
Opposite divided by adjacent
In mathematics, "tan" refers to the tangent function, which calculates the ratio of the opposite side to the adjacent side in a right triangle for a given angle. On the other hand, "tan⁻¹" (or arctan) is the inverse tangent function, which takes a ratio and returns the angle whose tangent is that ratio. Essentially, while tan gives you the tangent of an angle, tan⁻¹ helps you find the angle when you know the tangent value.
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