unit 1
L1 - Introduction in complex numbers
L1 - Introduction in complex numbers 2
L2 - Determining the types of roots
L2 - Determining the types of roots 2
L3 - Relation between the two roots
L3 - Relation between the two roots 2
L4 - Sign of a function
L4 - Sign of a function 2
L5 - Quadratic inequalities in one variable
unit 4
L1 - Directed angle
L2 - Systems of measuring angle
L3 - Trigonometric functions
L3 - Trigonometric functions 2
L4 - Related angles
L4 - Related angles 2
L5 - Graphing trigonometric functions
L6 - Finding the measure of an angle given the value of one of its trigonometric ratios
L6 - Finding the measure of an angle given the value of one of its trigonometric ratios 2