Qualification > Math
IGCSE MATHS Doubts
Ghost Of Highbury:
310 degrees and 230 degrees
check if its correct in the ms.
sin x = -0.76
x = sin-1(0.76) = -50
x = 360-50 = 310
x = 180+50 = 230.
@ksitna - adi_toxic and vin1094 are correct. 4(x-3) = 4x-12. same hing
ksitna:
--- Quote from: A@di on May 08, 2010, 05:53:47 pm ---310 degrees and 230 degrees
check if its correct in the ms.
sin x = -0.76
x = sin-1(0.76) = -50
x = 360-50 = 310
x = 180+50 = 230.
@ksitna - adi_toxic and vin1094 are correct. 4(x-3) = 4x-12. same hing
--- End quote ---
no i meant they got -7
not 25
Vin:
oooohh Thanks .. its absolutely correct!! no wonder ur smart !! i really admire u .. :)
Ghost Of Highbury:
@vin - thanks, check ur inbox SF pal.. :)
@ksitna - ohk, ill check
Ghost Of Highbury:
they arent wrong, the ms cant be wrong, which paper is this q from??
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