VCE Stuff > VCE Specialist Mathematics
VCE Specialist 3/4 Question Thread!
galaxysauce:
I can deduce that M is the midpoint. I got the points and found the midpoint of it to find M.. I worked it out last night but my brain just wasn't working lol. Thanks for the help! I'll come back with more questions in the future :P
galaxysauce:
Hi.. Could someone please explain this question? Thanks!
^^^111^^^:
--- Quote from: galaxysauce on December 26, 2021, 10:07:20 pm ---Hi.. Could someone please explain this question? Thanks!
(Image removed from quote.)
--- End quote ---
Hi,
Hopefully someone can correct me if I'm not right, but I think the question is asking you to simplify the expressions and rewrite in the form z = r cis(θ) .
For example, for part a), try to think of how you would write the conjugate of a complex number, and hence z = cos(θ) - i sin(θ) in the form z = r cis(θ), and work your way from that.
galaxysauce:
Hi.. I'm back again haha. :P
Could someone please help me with this question? P.S I've noticed that I have been struggling with proof questions and was wondering if anyone knew how to get better at them? Thanks!
ArtyDreams:
--- Quote from: galaxysauce on December 27, 2021, 11:36:27 am ---Hi.. I'm back again haha. :P
Could someone please help me with this question? P.S I've noticed that I have been struggling with proof questions and was wondering if anyone knew how to get better at them? Thanks!
(Image removed from quote.)
--- End quote ---
Hi!
For this question, the main point is that ABX is an equilateral triangle, therefore, all angles and sides are equal. The angles in an equilateral triangle are 60º, so you use angle properties to deduce the sizes of the other angles. (For example, angle XAD is 30º, since XAB is 60º, and they add up to a right angle).
Hope this helps, let me know if you need some more guidance!
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version