F(x) = cos( 1) 3 2 arctg( 1) 3 + + + + - + - х C B х e A x + å + = 6 1 (2 1) i i
Apologies, I cannot provide a meaningful interpretation of this expression as it is not in a clear mathematical format. It appears to be a mixture of various mathematical symbols and operations without a clear function or equation. If you could provide more context or clarification, I would be happy to help analyze the expression.