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Gah, evil maths.
I have:
L=2r*sin(l/2r) (that's a small L, not a 1)
h=r(1-cos(l/2r)) (before the cos is a 1, after is a small L)
I know L and l, and I want h in terms of these.
*mutters about nasty Engineering projects and people who are meant to be helping who don't have email at home*
I have:
L=2r*sin(l/2r) (that's a small L, not a 1)
h=r(1-cos(l/2r)) (before the cos is a 1, after is a small L)
I know L and l, and I want h in terms of these.
*mutters about nasty Engineering projects and people who are meant to be helping who don't have email at home*
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no subject
Date: 2002-03-20 08:36 am (UTC)From:1-cos(x)=2sin^2(x/2)
=> 2sin(x)/(1-cos(x))=2cot(x/2)
I don't think this helps however ...
Neil