1996 hsc maths ext1 (1 Viewer)

[1zephyr]

question 4a
prove that sin3theta/sintheta-cos3theta/costheta=2 (for sintheta and costheta=/=0
cheers bruhssssssssssssss

 

[ilikecake]

Common denominate the fractions, then notice the numerator simplifies to a sine expansion identity in the form of sin(A - B), which can then be simplified and expanded again to get the answer.

 

[Drongoski]

question 4a
prove that sin3theta/sintheta-cos3theta/costheta=2 (for sintheta and costheta=/=0
cheers bruhssssssssssssss

LHS =

 

[1zephyr]

cheers lads

 

[mreditor16]

LHS =

that's a much neater way than mine haha

 

[1zephyr]

that's a much neater way than mine haha

ayyy brah i had a gander at what they put in the book and i couldnt see what they were doing then drongonski the beast comes up with a much simpler way. wot a god

 

[Drongoski]

ayyy brah i had a gander at what they put in the book and i couldnt see what they were doing then drongonski the beast comes up with a much simpler way. wot a god

In case you are not aware I was responsible for the Gonski Report.