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ArcCos




Mathematica Notation

Traditional Notation









Elementary Functions > ArcCos[z] > Representations through equivalent functions > With related functions > Involving sec-1 > Involving cos-1(2 z (1-z2)1/2) > Involving cos-1(2 z (1-z2)1/2) and sec-1(1/z)





http://functions.wolfram.com/01.13.27.1157.01









  


  








Input Form





ArcCos[2 z Sqrt[1 - z^2]] == Pi/2 - ((2 Sqrt[1 - 2 z^2] Sqrt[-z^2 + z^4])/(Sqrt[-z^2] Sqrt[-1 + z^2] Sqrt[-1 + 2 z^2])) ArcSec[1/z] + ((Pi Sqrt[1 - 2 z^2] Sqrt[-z^2 + z^4])/(2 Sqrt[-z^2] Sqrt[-1 + z^2] Sqrt[-1 + 2 z^2])) ((-Sqrt[-(1/z)]) Sqrt[-z] Sqrt[1/(1 - Sqrt[2] z)] Sqrt[1 - Sqrt[2] z] + Sqrt[1/z] Sqrt[z] Sqrt[1/(1 + Sqrt[2] z)] Sqrt[1 + Sqrt[2] z] - Sqrt[z^2]/z - Sqrt[-z^2 + z^4]/ (z Sqrt[-1 + z^2]) + 2)








Standard Form





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MathML Form







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Rule Form





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Date Added to functions.wolfram.com (modification date)





2003-08-21