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Topic: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Replies: 27   Last Post: Jul 18, 2005 12:52 PM

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William Elliot

Posts: 2,409
Registered: 12/6/04
Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Posted: Sep 23, 2002 6:10 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

-- mathma18@hotmail.com
_ Is it possible to express or expand
_ sin(x*y) in terms of sin(x) and sin(y)?

-- angus_prune@bigfoot.com
_ My first instinct is to say, "No, because
_ it would be dimensionally incorrect." ;)
!

-- anonymous@anonymous.com
_ no : suppose exists f / sin(xy) = f(sin(x),sin(y)).
sin x = sin pi.x/pi = f(sin pi, sin x/pi)
= f(sin 0,sin x/pi) = sin 0x/pi = 0

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Message was edited by: r!chard tchen


Date Subject Author
9/22/02
Read Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
narasimham
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Angus Rodgers
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
alex@
7/18/05
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
William Elliot
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David C. Ullrich
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Andy Spragg
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David C. Ullrich
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Andy Spragg
9/23/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David C. Ullrich
9/23/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Andy Spragg
9/24/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Andy Spragg
9/24/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David C. Ullrich
9/24/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David C. Ullrich
9/26/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Guy Ritchie
9/26/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David C. Ullrich
9/26/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Guy Ritchie
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David R. MacIver
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Angus Rodgers
9/22/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Virgil
9/23/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Paul Hughett
9/25/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Midianight
9/25/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
David C. Ullrich
9/25/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Midianight
9/26/02
Read Re: A strange surface (Was: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?)
Peter L. Montgomery
9/26/02
Read Re: A strange surface (Was: Is it possible to express sin(xy) in terms
of sin(x) and sin(y)?)
Mike Oliver
9/26/02
Read Re: A strange surface (Was: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?)
karin
9/25/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Angus Rodgers
9/27/02
Read Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Bill Dubuque

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