## Trigonometry

Practice 1
Practice 2
Practice 3
Practice 4
Practice 5
Practice 6
Sheets focusing on the Achieved and Merit for writing and solving Trig Equations. Numbers 3 and 6 focus on general solutions.

Extension Practice
A sheet on the use of Trig Identities in the context of problems.

## Simultaneous Equations

Practice 1
Practice 2
Practice 3
Practice 4
Practice 5
Practice 6
Worksheets with a couple of exercises at each level.

This is quite a good explanation of the process for solving 3 x 3 equations by hand from

http://www.slideshare.net.

## Linear Programming

This topic is done as part of the Statistics Course at St John's, although technically in the Calculus set of standards.

Practice 1
Practice 2
Practice 3
Practice 4
Worksheets, with an Achieved example first, followed by a Merit/Excellence example. The later ones are harder.