Re: [R] isolating X on an expression

Try Ryacas: > library(Ryacas) > A <- Sym("A"); B <- Sym("B"); X <- Sym("X"); Y <- Sym("Y"); K <- Sym("K") > Solve(K==(sin(A) * sin(B) ) + ( cos(A) * cos(B) * cos ( X - Y ) ), "X") [1] "Starting Yacas!" expression(list(X == Y + acos((K - sin(A) * sin(B))/(cos(A) * cos(B))), X == Y - acos((K -

[R] isolating X on an expression

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