MATEMATICA - TRIGONOMETRIA

Quiz
•
Mathematics
•
University
•
Hard
Beatrice Ialacci
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A quanti gradi corrispondono 5π/6 radianti?
A) 120∘
B) 150∘
C) 180∘
D) 210∘
E) 240∘
Answer explanation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual è il valore di sin(7π/6)?
A) 1/2
B) −3/2
C) 3/2
D) −1/2
E) 1
Answer explanation
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se cos(x)=3/5 e x è nel quarto quadrante, qual è il valore di sin(x)?
A) 4/5
B) −4/5
C) 3/5
D) −3/5
E) 1/2
Answer explanation
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Il valore di tan(300°) è:
A) √33
B) √3
C) −√3
D) −√33
E)√1
Answer explanation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quale delle seguenti formule goniometriche è corretta?
A) sin(2α)=2sin(α)
B) cos(2α)=cos2(α)−sin2(α)
C) sin(α+β)=sin(α)+sin(β)
D) cos(α+β)=cos(α)sin(β)−sin(α)cos(β)
E) tan(2α)=1−tan(α)2tan(α)
Answer explanation
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In un triangolo rettangolo, se un cateto misura 6 e l'ipotenusa misura 10, qual è la lunghezza dell'altro cateto?
A) 7
B) 8
C) 9
D) 11
E) 12
Answer explanation
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In un triangolo rettangolo, l'altezza relativa all'ipotenusa divide quest'ultima in due segmenti di 4 cm e 9 cm. Qual è la lunghezza dell'altezza?
A) 5 cm
B) 6 cm
C) 7 cm
D) 8 cm
E) 10 cm
Answer explanation
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