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Re: Is it possible to express sin(xy) in terms of sin(x) and sin(y)?
Posted:
Sep 23, 2002 6:10 AM
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-- 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
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