Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: [sen to the power of negative 1 end exponent open parentheses negative 1 half close parentheses equals...]: [negative pi over 6]; [negative pi over 2]; (ninguna de las otras); [pi over 2]; [pi over 6]
Right answer summary: [negative pi over 6]
Question state: todo