Explore UCD

UCD Home >

Trigonometry

Trigonometry

These videos are designed for both the Higher and Ordinary Level Mathematics courses, except those with an asterisk, which are only designed for the Higher Level Mathematics course.

Right Angled Triangles

Compass Direction Example, Right Angled Triangles *

Sine Rule

Sine Rule Ambiguous Case *

Cosine Rule

Area of a Triangle

Length of Arc and Area of a Sector

3D Problems Part 1 *

3D Problems Part 2 *

Radian Measure *

Unit Circle and Explaining CAST Part 1

Unit Circle and Explaining CAST Part 2

CAST Example

Solving Trig Equations Example

CAST Examples Part 1 *

CAST Examples Part 2 *

Plotting Trig Functions Part 1 *

Plotting Trig Functions Part 2 *

Deriving Trig Formulae Part 1 *

Deriving Trig Formulae Part 2 *

Deriving Trig Formulae Part 3 *

Deriving Trig Formulae Part 4 *

Deriving Trig Formulae Part 5 *

Using Trig Formuale from Tables Part 1 *

Using Trig Formuale from Tables Part 2 *

Contact the Maths Support Centre

James Joyce Library, University College Dublin, Belfield, Dublin 4, Ireland.
T: +353 1 716 7536 | E: msc@ucd.ie