### What is a reciprocal function?

A **reciprocal function** is a curve with an equation of y=k/x (k is a number). When graphed this forms a hyperbola. The following videos explain how reciprocal functions work and how to graph them in HSC Standard Math.

HSC Together > Year12 > Reciprocal Functions

- What are Trigonometric Ratios - SOHCAHTOA
- Finding an Unknown Side in a Right-Angled Triangle
- Finding an Unknown Angle in a Right-Angled Triangle
- Angles of Elevation and Depression
- Compass Bearings and True Bearings
- Trigonometry with Obtuse Angles
- Area of a Triangle
- The Sine Rule
- The Cosine Rule
- Sine or Cosine: Which One Do I Use?
- Radial Surveys

- Introduction to Networks
- Travelling a Network
- Drawing a Network Diagram
- Drawing a Network Graph to Represent a Map and Table
- Eulerian Trials and Circuits
- Hamiltonian Paths and Cycles
- Network Problems: Konigsberg bridge problem
- Minimal Spanning Trees
- Solving Connector Problems
- Finding the Shortest Path

**reciprocal function** is a curve with an equation of y=k/x (k is a number). When graphed this forms a hyperbola. The following videos explain how reciprocal functions work and how to graph them in HSC Standard Math.