{"result":{"text":"integral fraction numerator left parenthesis cos 9 x plus cos 6 x right parenthesis c o s fraction numerator 5 x over denominator 2 end fraction over denominator 2 cos 5 x cos fraction numerator 5 x over denominator 2 end fraction minus cos fraction numerator 5 x over denominator 2 end fraction end fraction d x equals integral fraction numerator 2 cos fraction numerator 15 x over denominator 2 end fraction cos fraction numerator 3 x over denominator 2 end fraction cos fraction numerator 5 x over denominator 2 end fraction over denominator cos fraction numerator 15 x over denominator 2 end fraction plus cos fraction numerator 5 x over denominator 2 end fraction minus cos fraction numerator 5 x over denominator 2 end fraction end fraction d x\nequals integral open parentheses cos 4 x plus cos x close parentheses d x equals 1 fourth sin 4 x plus sin x plus c"},"status":"ok"}