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2° EM - Ciclo Trigonométrico

Authored by Gisele Campanholo

Mathematics

1st Grade

Used 34+ times

2° EM - Ciclo Trigonométrico
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Quanto é  3π4\frac{3\pi}{4}  em graus?

180°

150°

540°

135°

270°

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Usando a propriedade de simetria no ciclo trigonométrico, quais serão os ângulos correspondentes ao ângulo de 130°?

40°, 230° e 310°

50°, 230° e 310°

40°, 240° e 320°

50°, 240° e 320°

40°, 230° e 300°

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Como o ângulo 150° fica em radianos?

5π6\frac{5\pi}{6}

3π2\frac{3\pi}{2}

2π3\frac{2\pi}{3}

6π5\frac{6\pi}{5}

3π4\frac{3\pi}{4}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Os senos de 0°, 90°, 180°, 270° e 360° são, respectivamente:

0, -1, 0, -1 e 0

1, 0, -1, 0 e 1

0, 1, 0, -1 e 0

-1, 0, 1, 0, -1

0, 1, 0, 1 e 0

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Os cossenos de 0°, 90°, 180°, 270° e 360° são, respecitvamente:

0, 1, 0, -1 e 0

1, 0, 1, 0 e 1

0, -1, 0, 1 e 0

1, 0, -1, 0 e 1

0, 1, 0, -1 e -1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Qual é o valor da tangente de 300°?

3-\sqrt{3}

3\sqrt{3}

32-\frac{\sqrt{3}}{2}

32\frac{\sqrt{3}}{2}

12\frac{1}{2}

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Qual dos valores é maior: sen 480° ou cos 550°?

sen 480°

cos 550°

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