{"result":{"text":"begin mathsize 14px style integral subscript 0 superscript pi over 2 end superscript sin 3 x d x equals open square brackets fraction numerator negative cos 3 x over denominator 3 end fraction close square brackets subscript 0 to the power of pi over 2 end exponent equals open square brackets fraction numerator negative 0 plus 1 over denominator 3 end fraction close square brackets equals 1 third end style"},"status":"ok"}