Points of intersection between implicit f(x,y,z)=0 and explicit z=z(x,y) surfaces
f(x,y,z): x^2*cos(x)+y^2*cos(y)+z^2*cos(z)=0 and z(x,y)=x^2+y^2
implicit surface: x^2*cos(x)+y^2*cos(y)+z^2*cos(z)=0 x,y,z∈[-5,5];
![implicit surface: x^2*cos(x)+y^2*cos(y)+z^2*cos(z)=0 x,y,z∈[-5,5];](https://beta.geogebra.org/resource/HgSS2ZR3/csuJ5dUGk3DkDGMr/material-HgSS2ZR3.png)
implicit surface: x^2*cos(x)+y^2*cos(y)+z^2*cos(z)=0 x,y,z∈[-5,5];
![implicit surface: x^2*cos(x)+y^2*cos(y)+z^2*cos(z)=0 x,y,z∈[-5,5];](https://beta.geogebra.org/resource/k3G3uGBg/zQ5dFffltr0jJl0U/material-k3G3uGBg.png)
3D- Implicit surface grapher
