Free preview · Calculus
Calculus
Slide the secant until it becomes the tangent, and keep going.
Calculusy = x² ⁄ 2
Secant slope 2.25 → tangent 1.50
In the full course
- Skill practice with endless fresh problems
- Solids of revolution in 3D
- Riemann sums you can drag
- Progress that tracks what you've mastered