Year+12+US5251+Trig

=US5251 6TH October 2011 2 credits= =Lesson 1 16th September= The following applets were used Applet Pythag Applet Pythag Practise applet SOH CAH TOA Applet Visual understanding SOHCAHTOA Applet Right Angle Triangles All Applet Advanced Pythag and Trig Applet Trig Non Right Angle Area Check out the year 10 Trig page Year 10 Trig http://2011maths.wikispaces.com/Year+10+11th+August+Lesson

Lesson 2 and 3 pages 1 to 6 in the learning workbook. Learning Workbook Page 1 to 14

=20th September Wednesday= The Sine Rule - using the link below. Pages 7, 8 and 9 (Complete for Homework) =21st September Wednesday= The Cosine Rule - using the link below. Pages 10 to 12 (Complete for Homework) Key Idea: label the triangles that same for the Sine and Cosine Rule. The Sine rule is used when 2 sides and 2 angles are involved. The Cosine rule is used when 3 Sides and 1 angles is involved. Applet Trig Cosine Rule Special Case...Applet Cosine Error Applet Trig Sine Rule =22nd, 26th, 27th September= working through the workbook and then through 6 worksheets

=Content= =For Right Angle Triangles only=

SOH-CAH-TOA (2 sides and 1 angle)
[] applet SOH CAH TOA

Pythagoras (3 sides)
[] Applet Pythag Applet Pythag Practise Applet Right Angle Triangles All

=For all triangles - including non right angle triangles=

Area of a non right angle triangle
[] Applet Trig Non Right Angle Area

The Sine Rule (2 sides and 2 angles)
[] Applet Trig Sine Rule

The Cosine Rule (3 sides and 1 angle)
[] Applet Trig Cosine Rule Applet Cosine Error

Formulae are given - you need to substitute the correct values!

Applet Trig Data Projector

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