Which rows are cotangent, secant and cosecant?

(I see sine, cosine, tangent, square root, hyperbolic sine and
hyperbolic cosine.)

Thanks,

-- 
Raul


On Tue, Aug 15, 2017 at 12:41 PM, Linda Alvord <[email protected]> wrote:
>
>
> Sent from AOL Mobile Mail
>
>
> From: Linda Alvord <[email protected]>
> Date: Tuesday, August 15, 2017
> Subject: FW: why are there no negative signs for cot,sec and csc?
> Cc: lindaalvord <[email protected]>
>
> 
>
>
>
>
>
> From: Linda Alvord [mailto:[email protected]]
> Sent: Tuesday, August 15, 2017 11:22 AM
> To: '[email protected]' <[email protected]>
> Subject: why are there no negative signs for cot,sec and csc?
>
>
>
> do=: 13 : '({.y) +(i.{:y)*(--/ 2{.y)%<:{:y'
>
> t=:do 0 2p1 17
>
> all=:1 2 3 4 5 6 (o."0 1) t
>
> *all
>
> 0 1 1 1 1 1 1 1 0 _1 _1 _1 _1 _1 _1 _1 0
>
> 1 1 1 1 0 _1 _1 _1 _1 _1 _1 _1 0 1 1 1 1
>
> 0 1 1 1 1 _1 _1 _1 0 1 1 1 1 _1 _1 _1 0
>
> 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
>
> 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
>
> 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
>
>
>
> Linda
>
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