Precalculus
13 lessons · 274 problems solved step by step
- Vector from two points / magnitude (23 problems)
- Adding, subtracting, × a number (21 problems)
- Vector geometry · write a vector with a and b (20 problems)
- Magnitude and direction, unit vector (21 problems)
- Dot product, angle between two vectors (20 problems)
- Parabola · focus and directrix (20 problems)
- Ellipse (21 problems)
- Hyperbola (20 problems)
- Conics from the general form (21 problems)
- Polar coordinates · points and equations (25 problems)
- Polar graphs (20 problems)
- Polar form of complex numbers, De Moivre's theorem (21 problems)
- Parametric equations (21 problems)