im doin q9.2 in excel math ext II book..
question is
Find the general solution of the equation sin 2x + sin 3x + sin 4x = 0, and hence write down the particular solution in the interval 0=<x=><2x
anyway im working thru the solutions
rewrite eqn
(sin 4x + sin 2x) + sin 3x = 0
then its got use...