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On 27 Mar 2006 at 11:18, Andrew Corl wrote:

> I need a formula for calculating arcsin and arctan.  I have gone on the web
> and searched a number of different places to look but have not found
> anything that really helps.  I am not looking for a long winded explination
> of why it works, but just this is what you do to get the answer.

Do you have a handheld calculator? The functions sin^-1 and tan^-1 are
included on calculators that cost no more than $10 these days. Or if you
have Excel, the functions asin and atan will do what you need (but
remember that Excel works in radians, so you will need to enter:

degrees(asin(0.5))

if you want to get the arcsin of 0.5 in degrees).

Ken Muldrew.

   

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