K kynanld New Member Joined Apr 1, 2005 Messages 5 Oct 25, 2005 #1 I had few problems up untill this question, and it totally threw me how do you do it?
J jemmi New Member Joined Mar 7, 2005 Messages 5 Oct 25, 2005 #2 well i dunno if i got this right but here's my working... SinΦ = BD/6 BD = 6SinΦ then SinΦ = ED/ 6SinΦ ED = 6Sin^2Φ then SinΦ = EF/ 6Sin^2Φ EF = 6Sin^3Φ
well i dunno if i got this right but here's my working... SinΦ = BD/6 BD = 6SinΦ then SinΦ = ED/ 6SinΦ ED = 6Sin^2Φ then SinΦ = EF/ 6Sin^2Φ EF = 6Sin^3Φ
M MajinR Procrastination Master Joined Nov 14, 2004 Messages 90 Gender Male HSC 2005 Oct 25, 2005 #3 looks about right
K kynanld New Member Joined Apr 1, 2005 Messages 5 Oct 26, 2005 #4 Ohh man thx heeps for that. I immediatly decided the sin and cos rule wern't gonna help because for some bad reason I assumed I was going to find a constant for DB. Yea well done looks right to me 2.
Ohh man thx heeps for that. I immediatly decided the sin and cos rule wern't gonna help because for some bad reason I assumed I was going to find a constant for DB. Yea well done looks right to me 2.
Haku Member Joined Nov 12, 2004 Messages 779 Oct 26, 2005 #5 i think u need to say that the triangles are similar. not sure if proving it is required... didn't have time, so just same they were similar
i think u need to say that the triangles are similar. not sure if proving it is required... didn't have time, so just same they were similar
Ravo_Kate ANU Medical Science Joined Mar 5, 2005 Messages 14 Gender Female HSC N/A Oct 26, 2005 #6 - Last edited: Apr 21, 2012
C chin music Member Joined May 16, 2005 Messages 73 Location Bondi Beach Gender Undisclosed HSC N/A Oct 26, 2005 #7 This question really annoyed me. Apparantley angle DBE is theta. too bad i only realised that after the exam
This question really annoyed me. Apparantley angle DBE is theta. too bad i only realised that after the exam
Jago el oh el donkaments Joined Feb 21, 2004 Messages 3,691 Gender Male HSC 2005 Oct 26, 2005 #8 yep i only saw it because i put in the ^ thing to see the parallel lines
MarsBarz Member Joined Aug 1, 2005 Messages 282 Location Nsw Gender Male HSC 2005 Oct 26, 2005 #9 Or simply, angle DAB = theta angle DBA = 90 - theta angle DBE = 90- (90- theta) = theta Etc...
