c2/c3/c4 trig identities edexcel Watch

n1111111111
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#1
Report Thread starter 7 years ago
#1
Hi
I was wondering if anyone could list all the trig identities i need for c2/c3/c4 exams i keep making lists and losing them
and any tips on helping remembering them please

thanks in advance
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rosschambers1987
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#2
Report 7 years ago
#2
You can download cheatsheet things.

http://www.ecalc.com/pics/math/trig_laws.gif

Pretty sure they're all on there!
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n1111111111
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Report Thread starter 7 years ago
#3
Thankyou very much
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