The third and final unit of National 4 is Relationships. The following topics are covered in this unit:
Pythagoras
Finding shorter side of triangle
Finding hypotenuse of triangle
Trigonometry
Using sin/cos/tan correctly
Finding missing side
Finding missing angle in triangle
Angles
Types of Angle
Angles in a Straight Line
Angles Around a Point
Angles in a Triangle
Angles and Parallel Lines 1
Angles and Parallel Lines 2
Angles facts (f & z angles, angles in a semi-circle etc)
Charts and Graphs
Scatter Graphs
Equations & inequalities
Solving for x both sides
Solving inequations
Changing the subject of a formula
Changing the subject
Solving equations - 2 step