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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

-- 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 narasimham
9/22/02 Angus Rodgers
9/22/02 alex@
7/18/05 William Elliot
9/22/02 David C. Ullrich
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