Qualification > Math
C1 and C2 DOUBTS HERE!!!!!
The Golden Girl =D:
Wa Jazaki =]
Allah yiwaf2eek :D
~ Miss Relina ~:
Excuse me anyone help with this :( :(
if you need the answer notify me
astarmathsandphysics:
use 1-cos^2 x = sin^2 x in last part. Attached
~ Miss Relina ~:
--- Quote from: astarmathsandphysics on December 19, 2011, 11:46:57 am ---use 1-cos^2 x = sin^2 x in last part. Attached
--- End quote ---
shoudn't part (b)
be like that (0 ,pi/9 ,2pi/9 , pi/3 )
as he asked for three equal intervals
astarmathsandphysics:
They asked for three ordinates - an ordinate is an x value. 3 ordinates means two interval, since each interval has an order at each end. Lot of marks lost cos of this.
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