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For Teachers* Be familiar with the Achievement Standard 2.4 #91259 (link to NZQA) * Check the latest information on the NZQA clarifications page as things change all the time, and the exemplars in NZQA may be out of date (as they are in this standard) * Look over the NZQA Exemplars on AS 2.4 Trig Relationships 2.4 A & 2.4 B Note: these exemplars may not reflect the latest clarification information * Material available on the mathstatsfacilitators web site 2.4 page * Check the latest comments on the NZmaths forum (login required) * Any further ideas / suggestions / resources/ comments / errors. Please email maxr@nayland.school.nz * AS 2.4 section on Nayland Web site updated: Feb 2014

AS 2.4 'Apply trigonometric relationships in solving problems' is a 3 credit internally assessed topic AS 91259 Achievement Standard 2.8 Triangles continues from level 1 pythagoras & Trigonometry, with nonright angle triangles. Several new concepts are introduced: the sine rule, cosine rule  for finding angles and side lengths, as well as the sine rule for the area of a triangle.

Possible Lesson Sequence for AS 2.4 Trig Relation ships (AS 91259)Formal Trigonometry Starters  Web version 1. Introduction, Overview & Research Question (Achievement Criteria) Pythyagoras finding long side

Web links for more material on AS 2.4 Trig Relation ships (AS 91259)
