- arctangent
- noun
Date: circa 1889
the inverse function of the tangent <if y is the tangent of θ, then θ is the arctangent of y>

*New Collegiate Dictionary.
2001.*

- arctangent
- noun
Date: circa 1889
the inverse function of the tangent <if y is the tangent of θ, then θ is the arctangent of y>

*New Collegiate Dictionary.
2001.*

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