Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Sea un ángulo del tercer cuadrante cuyo seno es [negative # a]. Hallar su coseno.: [# r 1]; [# r 2]; [# r 3]; [# r 4]
Right answer summary: [# r 1]
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Sea un ángulo del tercer cuadrante cuyo seno es [negative # a]. Hallar su coseno.: [# r 1]; [# r 2]; [# r 3]; [# r 4]
Right answer summary: [# r 1]
Question state: todo