Contributions
- Nabla in cylindrical and spherical coordinates.
- Vector fields in cylindrical and spherical coordinates.
- List_of_trigonometric_identities: a cos x + b sin x
- Conic_section#Standard_form: Pictures of the standard forms
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Contributions
- Nabla in cylindrical and spherical coordinates.
- Vector fields in cylindrical and spherical coordinates.
- List_of_trigonometric_identities: a cos x + b sin x
- Conic_section#Standard_form: Pictures of the standard forms
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