z1z2(asin(zc)) 2.0
z1z3(acot(z^3c^3)) 2.0
z1z3(acoth(zc)) -2.0
z1z3(acsch(zc)) -2.0
z1z3(iz1z(z^2c^2)) 2.0
z1z3(log(z^3c^3)) 2.0
z1z3(sqrt(zc)) -2.0
z1z(sqrt(z^3c^3)) 2.0