Arctangent

Formula

Arctangent formula
theta
angle between the hypotenuse and the adjacent line
a
length of the opposite side
b
length of the adjacent side

Formula description

Arctangent is used to determine the remaining two angles of a right triangle when the ratio of the length of the opposite side to the length of the adjacent side is known.

Calculator (how to use calculator?)

Arctangent formula
a
b
theta
Precision

Formula code

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References

  1. wikipedia:finding the angle of a right triangle.

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