[A83] Re: arctan


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[A83] Re: arctan




>> >The method that you will learn about in calculus is the Leibniz method.
>> >arctan(pi / 4) = 1, so you can calculate pi using a definite integral.
>>
>> In the other emails, I saw this 'arctan' too. Where can I find it on my
>> calc?
>>
>
>try tan^-1, that's what it's called (but it isn't tan(x)^-1 !!)
>on most calc's

ah.
...
well, this is of course quite logically, because tan is based on pi, isn't
it?

Groeten,
        Ronald Teune
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