Yr 11 Trigonometry Homework 20/3/2009

Here is the homework sheet given out today

The Sine Rule

Here is the vodcast of the explination I gave today about the Sine Rule and how to use it to find an unknown side and angle

Yr 8 Pythagoras

Pythagoras work that we have been doing in class

Vodcast explaining how to do Pythagoras Theorem

3 Unit Assessment Tuesday 17 March

The assessment task (test) will be on Tuesday 17th March at 8:00am. The task will contain questions on Permutations, Combinations as well as some harder 2 Unit Algebra questions. Some sites that may be useful are:
http://www.themathpage.com/aprecalc/permutations-combinations.htm

http://mathforum.org/dr.math/faq/faq.comb.perm.html

http://betterexplained.com/articles/easy-permutations-and-combinations/

Google is a wonderful thing 🙂

3 Unit Week B is Tuesday

Hey Guys

Just a reminder that in Week B (this week!) 3 unit is on Tuesday morning, cause I have playground duty on Monday’s

Cheers

Mr B

3 Unit Thursday 12 March

Hey Guys,

3 unit will be on in the morning – I may be about 10 minutes late as I can only drop of my kids to childcare from 7:30.  We are going to discuss some introductory concepts about polynomials – go to room 19 first  -but I may be in room 22 with the projector to demo some stuff

Cheers

Mr B

A new addition for the Borgert’s

At 5:08 this afternoon my third son was born after a 2 day on and off labour – Well done Pru!!!!! He was 3.45 kg, mother and baby doing well

Our whole family as of Friday 🙂

Trigonometry on the Unit Circle

This vodast covers the concepts of expanding our understanding to angles greater than 90 degrees, our first introduction into trigonometry as a a periodic function. Let me know if the zoom is annoying – I can remove it (big file 16 MB) Video File Here

A good process for Permutations & Combinations

I found this really useful article that describes using a flowchart how to attack any “counting” problem.

http://www.mansw.nsw.edu.au/members/reflections/vol21no1_larkin.htm

Remember:

Arranging – use a permutation (order is important in arrangements)
Choosing – use a combination (the order doesn’t matter, just whether something was chosen.

AND – multiply
OR – add – mutually exclusive