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Groups > comp.soft-sys.math.mathematica > #1371 > unrolled thread
| Started by | Michaël ELBAZ <mielbaz@gmail.com> |
|---|---|
| First post | 2011-04-01 07:30 +0000 |
| Last post | 2011-04-16 11:35 +0000 |
| Articles | 4 — 4 participants |
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Trigonometry Michaël ELBAZ <mielbaz@gmail.com> - 2011-04-01 07:30 +0000
Re: Trigonometry WetBlanket <wyvern864@gmail.com> - 2011-04-02 07:49 +0000
Re: Trigonometry David Bailey <dave@removedbailey.co.uk> - 2011-04-02 07:53 +0000
Re: Trigonometry Peter Pein <petsie@dordos.net> - 2011-04-16 11:35 +0000
| From | Michaël ELBAZ <mielbaz@gmail.com> |
|---|---|
| Date | 2011-04-01 07:30 +0000 |
| Subject | Trigonometry |
| Message-ID | <in3uvd$hqe$1@smc.vnet.net> |
Hello, With the input "(Cos[x])^2 + (Sin[x])^2", can we get the output "1" ?! Thanks -- M.E.
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| From | WetBlanket <wyvern864@gmail.com> |
|---|---|
| Date | 2011-04-02 07:49 +0000 |
| Message-ID | <in6kf7$2hs$1@smc.vnet.net> |
| In reply to | #1371 |
On Apr 1, 1:30 am, Micha=EBl ELBAZ <miel...@gmail.com> wrote: > Hello, > > With the input "(Cos[x])^2 + (Sin[x])^2", can we get the output "1" ?! > > Thanks > > -- > M.E. Use exp = "(Cos[x])^2 + (Sin[x])^2; exp/. c_.Sin[x_]^2+c_.Cos[x_]^2->c
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| From | David Bailey <dave@removedbailey.co.uk> |
|---|---|
| Date | 2011-04-02 07:53 +0000 |
| Message-ID | <in6klh$2ks$1@smc.vnet.net> |
| In reply to | #1371 |
On 01/04/2011 08:30, Michaël ELBAZ wrote: > Hello, > > With the input "(Cos[x])^2 + (Sin[x])^2", can we get the output "1" ?! > > Thanks > In[622]:= (Cos[x])^2 + (Sin[x])^2//Simplify Out[622]= 1 David Bailey http://www.dbaileyconsultancy.co.uk
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| From | Peter Pein <petsie@dordos.net> |
|---|---|
| Date | 2011-04-16 11:35 +0000 |
| Message-ID | <iobutk$bda$1@smc.vnet.net> |
| In reply to | #1371 |
Am 01.04.2011 09:30, schrieb Michaël ELBAZ:
> Hello,
>
> With the input "(Cos[x])^2 + (Sin[x])^2", can we get the output "1" ?!
>
> Thanks
>
just to name a few other:
In[1]:= #1[Cos[x]^2 + Sin[x]^2]& /@
{Simplify, FullSimplify, TrigReduce, TrigExpand, TrigFactor, TrigToExp}
Out[1]= {1,1,1,1,1,1}
Peter
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