# Leaving Cert Trigonometry Revision Videos

A common trigonometry word problem for leaving cert higher level.

The classic trigonometry boat and cliff word problem using angles of depression.

How to find the internal diagonal of a cube or cuboid using the Theorem of Pythagoras.

A leaving cert higher level trigonometry sample question using the Cosine Rule.

A leaving cert higher level trigonometry example of how to use the Sine Rule.

The Sine Rule ambiguous case is when there could be two possible answers, you must figure out which one is right.

In this video I show you two different examples of questions where the Theorem of Pythagoras is used to solve for an unknown side.

How to solve for an unknown side in a triangle using Sin, Cos & Tan - SohCahToa

How to find the size of an unknown angle of a triangle using Sin, Cos & Tan with SohCahToa.

In this video I show you how to find the Sin, Cos and Tan of an angle in a triangle using SohCahToa.