in reply to Any Mathematicians Onsite with a spare 5 minutes?
Seems all OK to me. sin is invertible in -90..90, cos in 0..180, tan in 0..180. sec=1/con, cosec=1/sin, cot=1/tan.
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dakkar - Mobilis in mobile
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Re: Re: Any Mathematicians Onsite with a spare 5 minutes?
by tachyon (Chancellor) on Dec 23, 2002 at 14:08 UTC |