I am trying to see how to compute the First Fundamental Form of this set: $\{z_1^2+z_2^2=1,(z_1,z_2) \in \mathbb C^2 \}$ . First I have seen in this post is homeomorphic to the sphere without two points. But then the parametrization I have seen depends of 1 complex number.
Is it enought to compute the first fundamental form in the sphere without two points and multiplied by something to preserve the First Fundamental Form?
Thanks in advance.