Polynomial question (1 Viewer)

RealiseNothing

what is that?It is Cowpea
Joined
Jul 10, 2011
Messages
4,591
Location
Sydney
Gender
Male
HSC
2013
Given that:



Where

Show that:



This was from a past half yearly paper from my school.
 

deswa1

Well-Known Member
Joined
Jul 12, 2011
Messages
2,256
Gender
Male
HSC
2012

<img src="http://latex.codecogs.com/gif.latex?=cos6\theta+cos4\theta+cos2\theta+1" title="=cos6\theta+cos4\theta+cos2\theta+1" />

BTW, the question is wrong. It should be where z=cos(theta)+isin(theta)
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top