Qualification > Math
IGCSE MATHS Doubts
Vin:
--- Quote from: princess12 on May 11, 2010, 10:04:43 am ---oct/nov 2008 p2 q6
??? ??? ???
--- End quote ---
sin-1 (0.86603)
should get 60 .. or 120 :)
Ghost Of Highbury:
--- Quote from: ~VIN1094~ on May 11, 2010, 10:08:26 am ---sin-1 (0.86603)
should get 60 .. :)
--- End quote ---
and 120.
The All Silver Tea Cups rule :P
Vin:
--- Quote from: A@di on May 11, 2010, 10:08:52 am ---and 120.
The All Silver Tea Cups rule :P
--- End quote ---
ya i was in a hurry .. n also didnt see u'd alredy posted .. i hate it wen tht message appears ..n i dont even bother to look down .. :P
By the way wer were u yest ?? tons on ques ware booming at the physics thread .. :)
Ghost Of Highbury:
sorry man, i was really busy yesterday, i saw those questions, but didnt have time to open the papers and answer them. thanks a lot for answering them all. gr8 work . +rep.
i was watching the premier league highlights..with my friends.. :)
Adzel:
--- Quote from: A@di on May 11, 2010, 09:40:08 am ---
14b) assume y= -2
do the calculations, arrange them in order
--- End quote ---
I got: y3 < y2 < y0 < y-1
but mark scheme says: y3 < y-1 < y0 < y2
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