Mathématiques et Trigonométrie pour la Seconde

Question 1 sur 10 10:00

[{"id":5465,"question":"Quelle est la formule pour calculer le sinus d’un angle ?","option_a":"sin(x) = opposite \/ hypoténuse","option_b":"sin(x) = adjacent \/ hypoténuse","option_c":"sin(x) = hypoténuse \/ opposite","option_d":"sin(x) = hypoténuse \/ adjacent","option_e":"","option_f":"","bonne_reponse":"A","explication":"La formule pour calculer le sinus d’un angle est sin(x) = opposite \/ hypoténuse.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5466,"question":"La fonction cosinus est périodique.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"La fonction cosinus est effectivement périodique, avec une période de 2π.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5467,"question":"Quelle est la valeur de tan(π\/4) ?","option_a":"0","option_b":"1","option_c":"2","option_d":"-1","option_e":"","option_f":"","bonne_reponse":"B","explication":"La valeur de tan(π\/4) est 1, car sin(π\/4) = cos(π\/4).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5468,"question":"L’équation sin(x) = 0 a des solutions à x = 0, π, 2π, ...","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"L’équation sin(x) = 0 a effectivement des solutions à x = 0, π, 2π, etc., car le sinus est nul à ces valeurs.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5469,"question":"Quelle est la formule pour calculer le cosinus d’un angle ?","option_a":"cos(x) = opposite \/ hypoténuse","option_b":"cos(x) = adjacent \/ hypoténuse","option_c":"cos(x) = hypoténuse \/ opposite","option_d":"cos(x) = hypoténuse \/ adjacent","option_e":"","option_f":"","bonne_reponse":"B","explication":"La formule pour calculer le cosinus d’un angle est cos(x) = adjacent \/ hypoténuse.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5470,"question":"La fonction sinus est impaire.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"La fonction sinus est effectivement impaire, car sin(-x) = -sin(x).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5471,"question":"Quelle est la valeur de sin(π\/2) ?","option_a":"0","option_b":"1","option_c":"2","option_d":"-1","option_e":"","option_f":"","bonne_reponse":"B","explication":"La valeur de sin(π\/2) est 1, car le sinus est maximum à π\/2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5472,"question":"L’équation cos(x) = 0 a des solutions à x = π\/2, 3π\/2, ...","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"L’équation cos(x) = 0 a effectivement des solutions à x = π\/2, 3π\/2, etc., car le cosinus est nul à ces valeurs.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5473,"question":"Quelle est la formule pour calculer la tangente d’un angle ?","option_a":"tan(x) = opposite \/ adjacent","option_b":"tan(x) = adjacent \/ opposite","option_c":"tan(x) = hypoténuse \/ opposite","option_d":"tan(x) = hypoténuse \/ adjacent","option_e":"","option_f":"","bonne_reponse":"A","explication":"La formule pour calculer la tangente d’un angle est tan(x) = opposite \/ adjacent.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":5474,"question":"La fonction tangente est périodique.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"La fonction tangente est effectivement périodique, avec une période de π.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]