Revisits the spectral theorem for symmetric matrices, emphasizing orthogonally diagonalizable properties and its equivalence with symmetric bilinear forms.
Explores curves in the oriented plane, discussing orientation, vector spaces, equivalence relations, and curvature of regular curves.
Explores simple examples of partial differentiation, demonstrating how to calculate partial derivatives and gradients in various scenarios.
Explores curvature, inflection points, and angular functions in plane curves, highlighting the importance of inflection points.
