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Recent content by PrecoiusPearl

P
Mathematics: Post your doubts here!

it is given that f(x) = e^x sin(x/2) show that F(x)>0 for all real values of x between 0 and 2 pi Calculate the area enclosed by the curve f(x), the axis from 0 to x= 2 pi
- PrecoiusPearl
- Post #464
- Oct 27, 2011
- Forum: A-Levels
P
Mathematics: Post your doubts here!

thankss a lot :)
- PrecoiusPearl
- Post #462
- Oct 27, 2011
- Forum: A-Levels
P
Mathematics: Post your doubts here!

help me please prove the identity cosec x/ cot x+tan x = cos x
- PrecoiusPearl
- Post #457
- Oct 27, 2011
- Forum: A-Levels

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