{"Free":0,"Sample":1,"Paid":2}

[{"Name":"Tangent and Normal Lines - Basic Exercises","Videos":[{"Watched":false,"Name":"Tangent","Duration":"5m 30s","ID":8418},{"Watched":false,"Name":"Normal Lines","Duration":"5m 9s","ID":8417},{"Watched":false,"Name":"Exercise 1","Duration":"4m 12s","ID":3351},{"Watched":false,"Name":"Exercise 1 alternate","Duration":"5m 34s","ID":3352},{"Watched":false,"Name":"Exercise 2","Duration":"5m 8s","ID":4343},{"Watched":false,"Name":"Exercise 2 alternate","Duration":"7m 27s","ID":4344},{"Watched":false,"Name":"Exercise 3","Duration":"12m 34s","ID":4345},{"Watched":false,"Name":"Exercise 3 alternate","Duration":"11m 31s","ID":9091},{"Watched":false,"Name":"Exercise 4","Duration":"8m 20s","ID":8422},{"Watched":false,"Name":"Exercise 4 alternate","Duration":"10m 1s","ID":8424},{"Watched":false,"Name":"Exercise 5","Duration":"4m 11s","ID":4348},{"Watched":false,"Name":"Exercise 5 alternate","Duration":"5m 53s","ID":4349},{"Watched":false,"Name":"Exercise 6","Duration":"6m 53s","ID":4350},{"Watched":false,"Name":"Exercise 7","Duration":"5m 8s","ID":4351},{"Watched":false,"Name":"Exercise 8","Duration":"11m 34s","ID":4352},{"Watched":false,"Name":"Exercise 9","Duration":"5m 12s","ID":4353},{"Watched":false,"Name":"Exercise 10","Duration":"4m 55s","ID":4354},{"Watched":false,"Name":"Exercise 11","Duration":"3m 58s","ID":4364},{"Watched":false,"Name":"Exercise 12","Duration":"10m 47s","ID":4365},{"Watched":false,"Name":"Exercise 13","Duration":"7m 5s","ID":6471},{"Watched":false,"Name":"Exercise 14","Duration":"10m 24s","ID":6472}],"ID":111513},{"Name":"Tangent and Normal Lines – Exercises with a Constant","Videos":[{"Watched":false,"Name":"Exercises with a Constant","Duration":"4m 13s","ID":10572},{"Watched":false,"Name":"Exercise 1","Duration":"6m 7s","ID":10573},{"Watched":false,"Name":"Exercise 2","Duration":"5m 3s","ID":10574},{"Watched":false,"Name":"Exercise 3","Duration":"7m 44s","ID":10575},{"Watched":false,"Name":"Exercise 4","Duration":"8m 22s","ID":10576},{"Watched":false,"Name":"Exercise 5","Duration":"9m 1s","ID":10577},{"Watched":false,"Name":"Exercise 6","Duration":"11m 44s","ID":10578},{"Watched":false,"Name":"Exercise 7","Duration":"6m 8s","ID":10579},{"Watched":false,"Name":"Exercise 8","Duration":"8m 49s","ID":10580},{"Watched":false,"Name":"Exercise 9","Duration":"6m 50s","ID":10581},{"Watched":false,"Name":"Exercise 10","Duration":"15m 46s","ID":10582}],"ID":111514},{"Name":"Tangent and Normal Lines of Implicit Functions","Videos":[{"Watched":false,"Name":"Implicit Functions","Duration":"3m 51s","ID":8421},{"Watched":false,"Name":"Exercise 1","Duration":"6m 51s","ID":4396},{"Watched":false,"Name":"Exercise 2","Duration":"8m 12s","ID":4845},{"Watched":false,"Name":"Exercise 3","Duration":"8m 14s","ID":4398}],"ID":111515},{"Name":"Tangent and Normal lines - Parametric Functions","Videos":[{"Watched":false,"Name":"Parametric Functions","Duration":"3m 41s","ID":8633},{"Watched":false,"Name":"Exercise 1","Duration":"6m 44s","ID":1812},{"Watched":false,"Name":"Exercise 2","Duration":"6m 55s","ID":1813}],"ID":111516},{"Name":"The Angle Between Two Curves","Videos":[{"Watched":false,"Name":"Angle between Two Curves","Duration":"5m 58s","ID":8423},{"Watched":false,"Name":"Exercise 1","Duration":"8m 51s","ID":1814},{"Watched":false,"Name":"Exercise 2 part a","Duration":"4m 51s","ID":1815},{"Watched":false,"Name":"Exercise 2 part b","Duration":"6m 7s","ID":1816}],"ID":111517},{"Name":"Vertical Tangents and Cusps","Videos":[{"Watched":false,"Name":"Vertical Tangents","Duration":"7m 38s","ID":8425},{"Watched":false,"Name":"Cusps","Duration":"6m 9s","ID":6465},{"Watched":false,"Name":"Exercise 1","Duration":"7m 1s","ID":6473},{"Watched":false,"Name":"Exercise 2","Duration":"4m 27s","ID":6474},{"Watched":false,"Name":"Exercise 3","Duration":"3m 17s","ID":6475},{"Watched":false,"Name":"Exercise 4","Duration":"3m 54s","ID":6477},{"Watched":false,"Name":"Exercise 5","Duration":"6m 43s","ID":6478},{"Watched":false,"Name":"Exercise 6","Duration":"5m 20s","ID":6479}],"ID":111518},{"Name":"Linear Approximation","Videos":[{"Watched":false,"Name":"Linear Approximation","Duration":"9m 23s","ID":1911},{"Watched":false,"Name":"Linear Approximation (continued)","Duration":"6m 15s","ID":1912},{"Watched":false,"Name":"Exercise 1","Duration":"3m 44s","ID":6466},{"Watched":false,"Name":"Exercise 2","Duration":"3m 50s","ID":6467},{"Watched":false,"Name":"Exercise 3","Duration":"2m 51s","ID":6468},{"Watched":false,"Name":"Exercise 4","Duration":"2m 41s","ID":6469},{"Watched":false,"Name":"Exercise 5","Duration":"2m 26s","ID":6470}],"ID":111519}]

[{"ID":111513,"Videos":[8418,8417,3351,3352,4343,4344,4345,9091,8422,8424,4348,4349,4350,4351,4352,4353,4354,4364,4365,6471,6472]},{"ID":111514,"Videos":[10572,10573,10574,10575,10576,10577,10578,10579,10580,10581,10582]},{"ID":111515,"Videos":[8421,4396,4845,4398]},{"ID":111516,"Videos":[8633,1812,1813]},{"ID":111517,"Videos":[8423,1814,1815,1816]},{"ID":111518,"Videos":[8425,6465,6473,6474,6475,6477,6478,6479]},{"ID":111519,"Videos":[1911,1912,6466,6467,6468,6469,6470]}];

[8421,4396,4845,4398];

1.1

1

# Continue watching

### Get access to 1,500 subjects including personalized courses.

Sign up