Dear R-gurus,
I know that it is not a R problem, but as need
to implement some solution for this on R, I would
like to know if someone help me on how to isolate
X on the expression below.

K=(sen A * sen B )  + ( cos A * cos B * cos ( X - Y ) )

Any help are welcome

mitinho astronauta
brazil

	[[alternative HTML version deleted]]

