October 01st, 2013

10/1/2013

Circle Theorem Question from 3.4 (click here)
Revision of sketching Trigonometric graphs (click here).
Question on 3D Trigonometry (click here)

Test on Chapter 2 tomorrow.

Funicular

5 Comments

Aisling

10/1/2013 10:48:29 am

Sorry sir I can start he the graph vertically but I am finding it difficult to squash it still have you any way to help sorry and also do you normally only mark in your points upto 2pie or would degrees be okay? Sorry 📈📉

Mr R

10/1/2013 12:15:29 pm

Either radians or degrees are fine.
Regarding squashing the graph - it's about working out the period or length of the function e.g. for sin and cos:
- if the angle is x the period is 360
- if the angle is ax the period is 360/a
- if the angle is x/a the period is 360a
I'll find a video that explains this and put it in the blog.

Aisling

10/1/2013 01:29:42 pm

Thanks sir

Hannah

10/1/2013 11:33:25 am

Mr Roche, I'm really sorry but would you be able to screen shot the solutions to Exercise 2.6 questions 11,12 and 13? I just don't know what to do?? Sorry for inconvenience

Mr R

10/1/2013 12:11:15 pm

These solutions have now been uploaded in the Blog, hope it's useful.

October 01st, 2013

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