El cosinus d’un angle agut és 0,3. Calcula el sinus d’aquest angle fent servir el teorema fonamental de la trigonometría
Relacions entre raons trigonomètriques

Quiz
•
Mathematics
•
10th Grade
•
Hard
Núria Sabaté
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sin α = 0,7
Sin α = 0,1
Sin α = 0,4
Sin α =0,95
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quin és l’angle de la pregunta anterior?
α = 17,46º
α = 72,54º
α = 44,42º
α = 45,57º
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El sinus d’un angle agut és 0,45. Calcula el cosinus d’aquest angle fent servir el teorema fonamental de la trigonometría
Cos α = 0,89
Cos α = 0,55
Cos α = 0,1
Cos α =0,79
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quin és l’angle de la pregunta anterior?
α = 63,25º
α = 26,74º
α = 56,63º
α = 37,81º
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Donat sin α = 0,20. Calcula el valor de cos α i la tg α sense calcular el valor de l’angle α
Cos α = 0,8 i
tg α = 0,75
Cos α = 0,98 i
tg α = 0,75
Cos α = 0,98 i
tg α = 0,2
Cos α = 0,8 i
tg α = 0,2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
És posible que el sinus d’un angle agut sigui 0,37 i que el cosinus del mateix angle sigui 0,63?
Sí
No
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Calcula les raons trigonomètriques de l’angle β. Expressa el resultat en forma de fracció irreductible.
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