This mathematics tutorial introduces students to the co-ordinate definition of the trigonometric (circular) functions sine, cosine and tangent.

* Aimed at students in their final two years of high school.

* Studying mathematics is best done by working through examples and exercises. There are many interactive examples and exercises in this tutorial that must be completed to achieve 100% progress.

* Written by a Maths teacher with 20 years of teaching experience.

* Completely free (no Ads).

* Works without internet so that you can learn Trigonometry while travelling in the train, bus etc. Internet only required for links to privacy policy and other tutorials.

* Made with GameMaker.

* Only a 14 MB download.


Also available for free on Google Play:

* Trig Tutorial 2: Solving equations

* Trig Tutorial 3: Radians

* Trig Tutorial 4: Identities

* Trig Tutorial 5: Applications

* Trig Game

* Algebra Tutorial 1: Basic Rules

* Algebra Tutorial 2: Linear Equations

* Algebra Tutorial 3: Quadratics

* Algebra Tutorial 4: Sets and Inequalities

* Algebra Tutorial 5: Absolute Value and Square Root

* Algebra Tutorial 6: Functions

* Algebra Tutorial 7: Combining Functions

* Algebra Tutorial 8: Inverse Functions I

* Algebra Tutorial 9: Inverse Functions II

* Algebra Tutorial 10: Powers I

* Algebra Tutorial 11: Powers II

* Algebra Tutorial 12: Logarithms I

* Algebra Tutorial 13: Logarithms II

* Algebra Tutorial 14: Polynomials I

* Algebra Tutorial 15: Polynomials II (Binomial Expansions)

* Algebra Tutorial 16: Polynomials III (Long Division)