symbolic inverse cosine
b = Acos( a )
symbolic
Returns the inverse cosine b = acos(a) of a.
// some values ... x = Sym("sqrt(2)/2") y = Sym("1/2") z = Sym("x*x+5") // ... and their inverse cosine values Acos(x) Acos(y) Acos(z)
SymEngine: C++ library for fast symbolic manipulation.