Trignometry Formulae (1 Viewer)

mercury

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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.
 
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Xayma

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Yay you put in the ratios in term of tan theta/2 thankyou.
 

wildtiger

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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

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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

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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

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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

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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

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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...!!
 
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CaR

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thanks!~

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

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