The Year 13 Mathematics IAS 3.3 booklet is designed for use by Year 13 students studying the internal achievement standard Trigonometry for NCEA Level 3 Mathematics.

The IAS 3.3 booklet comprises full notes and worked examples for each concept within the standard with space for key points to be highlighted. Each concept is followed by a number of problems, which are identified as either Achievement, Merit or Excellence.

At the end of the booklet there is an original practice Internal Achievement Standard.

The answers at the back of the book often include some of the setting out required to solve the problems so students can see the correct approach.