- tangent elevation
- tangent euclidean space
- 正切: tangent
- 仰角: elevation; angle of elevatio ...
- 正切: [数学] tangent◇正切弧 tangent arc; 正切曲线 tangent curve
- 仰角: [数学] elevation; angle of elevation; angle of gradient; angle of altitude; [军事] quadrant elevation; [电学] tilt angle; elevation angle
- 反正切: arc tangent; arctan; arcustangens inverse tangent; inverse trigonometric function; math.atan
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