noun \(ˌ)är(k)-ˈkō-ˌsīn\

Definition of ARCCOSINE

:  the inverse function of the cosine <if y is the cosine of θ, then θ is the arccosine of y>

First Known Use of ARCCOSINE

circa 1884


Next Word in the Dictionary: arc cotangent
Previous Word in the Dictionary: arc cosecant
All Words Near: arccosine

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