### How do you find an unknown side in a right-angled triangle?

In HSC Standard Math, SOHCAHTOA can help you in finding an unknown side in a right-angled triangle. The following videos will explain how to do this.

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##### Part 2

##### Part 3

HSC Together > Year12 > Finding an Unknown Side in a Right-Angled Triangle

- 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

In HSC Standard Math, SOHCAHTOA can help you in finding an unknown side in a right-angled triangle. The following videos will explain how to do this.