# Maths a level trigonometry

#1
Hi ya,
I wanna ask whether would be ask to prove any trigonometric identity( c3 ones particularly) in maths exam. I am doing edexcel maths.
0
4 years ago
#2
Yeah sometimes they may ask you to prove that one trig equation is equal to another and you have to do so by using trigonometric identities
0
4 years ago
#3
Search the magic hexagon trigonometry. It will help you memorise the identities. As for the ones you need to prove they are listed on the specification if im not mistaken. I know you need to be able to prove the differentiated trig from formula booklet (c3/4 ones)
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#4
(Original post by young4b1)
Yeah sometimes they may ask you to prove that one trig equation is equal to another and you have to do so by using trigonometric identities
I know the proof questions. What I meant is let's say if y=tanx Then dy/dx= sec^x I still know how to prove that but just wanna know would they test us on the main ones that are given in formula sheet or even if not. I hope you understand what I mean
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4 years ago
#5
(Original post by Lovearmy)
I know the proof questions. What I meant is let's say if y=tanx Then dy/dx= sec^x I still know how to prove that but just wanna know would they test us on the main ones that are given in formula sheet or even if not. I hope you understand what I mean
Naa I don’t think they do
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