What is the half angle formula for cot theta/2?

coyotes11 Posts: 1, Reputation: 1

New Member

Apr 23, 2008, 09:47 PM

what is the half angle formula for cot theta/2?

what is the half angle formula for cot theta/2?

galactus Posts: 2,271, Reputation: 282

Ultra Member

Apr 24, 2008, 05:24 AM

I suppose it would be $\frac{sin(a)}{1-cos(a)}=\frac{1+cos(a)}{sin(a)}$

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