Pronunciation: ( ˌ )är(k)- ' k ō - ˌ s ī n
Function: noun
Date: circa 1884
: the inverse function of the cosine <if y is the cosine of θ , then θ is the arccosine of y >
Pronunciation: ( ˌ )är(k)- ' k ō - ˌ s ī n
Function: noun
Date: circa 1884
: the inverse function of the cosine <if y is the cosine of θ , then θ is the arccosine of y >
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012