Trignometry Formulae (1 Viewer)

mercury

.:: Hg ::.
Joined
Feb 8, 2003
Messages
307
Location
Sydney
Gender
Undisclosed
HSC
2003
This is a pdf file of a simple list of trig formulae you should probably know off by heart

It appears to me that many people don't have a good idea what trig formulae they need so I made a simple list - it should be in most maths books - for the benefit of those who have never seen such a list before. Again, the best way to tackle trig is understanding where the formulae came from and have a good idea of how to manipulate and convert them - something that can only be achieved through practise.

15th January: Edited to include t-results - they are very easily derived, and Ext I students should know them off by heart

P.S. the old one - I accidentally deleted the attachment, couldn't attach unless I start a new thread

---- Mod edit: ---
Originally posted by speersy

Everybody remember to test 180 degrees when using t results
---- and yes, is stickied, as useful.
 
Last edited by a moderator:

Xayma

Lacking creativity
Joined
Sep 6, 2003
Messages
5,953
Gender
Undisclosed
HSC
N/A
Yay you put in the ratios in term of tan theta/2 thankyou.
 

wildtiger

Member
Joined
Dec 6, 2003
Messages
99
Location
sydney
Gender
Female
HSC
2004
thanks mercury =P

Sum or Differences to Products <=== would that come in handy if we learn it? coz my teacher just told us its not in the syllabus and skipped it.
 

KeypadSDM

B4nn3d
Joined
Apr 9, 2003
Messages
2,631
Location
Sydney, Inner West
Gender
Male
HSC
2003
Originally posted by wildtiger
Sum or Differences to Products <=== would that come in handy if we learn it? coz my teacher just told us its not in the syllabus and skipped it.
YES. Very Very Much so. Even better if you're doing 4 unit.
 

speersy

Member
Joined
Feb 8, 2004
Messages
294
Location
new south wales south coast
Gender
Undisclosed
HSC
N/A
thank u sooo much mercury. Do u know how much time you saved me.
Approximation 4 hours.
Now i can print this out and put on the toilet door. lol



Everybody remember to test 180 degrees when using t results
 

jessum

Member
Joined
Nov 7, 2003
Messages
174
Location
the gong
Gender
Female
HSC
2004
thats so great coz my teacher never gives us little things with all the formulae like the other teachers at my school
great help :)
 

Grey Council

Legend
Joined
Oct 14, 2003
Messages
1,426
Gender
Male
HSC
2004
heheh, trig looks so hard if you haven't memorised the formulas, nie? ^_^

learn all those formulas, and you'll conquer trig (after practising using them ofcourse).
 

mercury

.:: Hg ::.
Joined
Feb 8, 2003
Messages
307
Location
Sydney
Gender
Undisclosed
HSC
2003
Yes, indeed trignometry appears to be a big problem amongst hsc maths students, and i'm glad this little sheet helped! ;)

Good luck to you all '04ers!

And always watch out for angles when you are doing trig, you don't want to use the wrong one...!!
 
C

CaR

Guest
thanks!~

so is this basically IT for the extension one maths course?
 

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

Top