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## Section7.1Videos and Daily Work

### Subsection7.1.1Daily Work 15: Cosets of a Subgroup

See these videos within their full playlist here: https://www.youtube.com/watch?v=vFNbtB6Y4v4%26t=0s%26list=PLL0ATV5XYF8AQZuEYPnVwpiFy0jEipqN-%26index=39 Then, complete Daily Work 15 at this link: http://matthematics.com/quiz/dw15-7/

### Subsection7.1.2Daily Work 16: Lagrange's Theorem

See these videos within their full playlist here: https://www.youtube.com/watch?v=vFNbtB6Y4v4%26t=0s%26list=PLL0ATV5XYF8AQZuEYPnVwpiFy0jEipqN-%26index=41 Then, complete Daily Work 16 at this link: http://matthematics.com/quiz/dw16-7/

### Subsection7.1.3Extra: Prime and Double-Prime Classification

See these videos within their full playlist here: https://www.youtube.com/watch?v=vFNbtB6Y4v4%26t=0s%26list=PLL0ATV5XYF8AQZuEYPnVwpiFy0jEipqN-%26index=44