
Razões Trigonométricas e Ângulos Notáveis

Interactive Video
•
Mathematics
•
12th Grade
•
Medium
ELFRAN PICANCO
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que são ângulos notáveis na trigonometria?
Ângulos que são múltiplos de 90 graus.
Ângulos cujos valores de seno, cosseno e tangente são facilmente memorizáveis.
Ângulos que só aparecem em triângulos isósceles.
Ângulos que não podem ser calculados sem uma calculadora.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os três ângulos notáveis mais comumente estudados em trigonometria?
15°, 75°, 90°
30°, 45°, 60°
0°, 90°, 180°
20°, 40°, 80°
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do seno de 30 graus (sen 30°)?
1/2
sqrt(2)/2
sqrt(3)/2
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do cosseno de 30 graus (cos 30°)?
1/2
sqrt(2)/2
sqrt(3)/2
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do cosseno de 45 graus (cos 45°)?
1/2
sqrt(2)/2
sqrt(3)/2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do seno de 45 graus (sen 45°)?
1/2
sqrt(2)/2
sqrt(3)/2
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do seno de 60 graus (sen 60°)?
1/2
sqrt(2)/2
sqrt(3)/2
1
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