Expression 6: "e" Superscript, negative "e" Superscript, cos left parenthesis, "t" , right parenthesis , Baseline cos left parenthesis, "t" plus sin left parenthesis, "t" , right parenthesis , right parenthesis , Baseline left parenthesis, cos left parenthesis, "e" Superscript, cos left parenthesis, "t" , right parenthesis , Baseline sin left parenthesis, "t" plus sin left parenthesis, "t" , right parenthesis , right parenthesis , right parenthesis , negative sin left parenthesis, "e" Superscript, cos left parenthesis, "t" , right parenthesis , Baseline sin left parenthesis, "t" plus sin left parenthesis, "t" , right parenthesis , right parenthesis , right parenthesis , right parenthesise−ecostcost+sintcosecostsint+sint,−sinecostsint+sint
6
Critical boundary points discovered using Halley's method