Qualification > Math

Maths P1 doubt on markscheme

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Meticulous:
I'm sorry I'll have to disagree with you nid404. But what he did was correct. Nothing wrong in taking cos2x a factor.

cashem'up:

--- Quote from: nid404 on May 09, 2010, 12:54:31 pm ---ohk....now i realize what's wrong in ur case.

you cannot take cos2x common...

they are 2 separate terms.

--- End quote ---

i really dont noe how it could be wrong there...........???......... ??? ??? ??? soz but its okay to take cosx common isnt it.................

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