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Revisão - Trigonometria

Authored by Franzé Alencar

Mathematics

10th Grade

Used 11+ times

Revisão - Trigonometria
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23 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Trigonometria é o estudo do:

Triângulo

Quadrilátero

Círculo

Ângulo

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

De acordo com a figura, o seno de alfa é:

sen α=casen\ \alpha=\frac{c}{a}

sen α=acsen\ \alpha=\frac{a}{c}

sen α=basen\ \alpha=\frac{b}{a}

sen α=absen\ \alpha=\frac{a}{b}

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

De acordo com a figura, o cosseno de alfa é:

cos α=ba\cos\ \alpha=\frac{b}{a}

cos α=ca\cos\ \alpha=\frac{c}{a}

cos α=ab\cos\ \alpha=\frac{a}{b}

cos α=ac\cos\ \alpha=\frac{a}{c}

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

De acordo com a figura, a tangente de alfa é:

tg α=cbtg\ \alpha=\frac{c}{b}

tg α=bctg\ \alpha=\frac{b}{c}

tg α=batg\ \alpha=\frac{b}{a}

tg α=abtg\ \alpha=\frac{a}{b}

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Aplicando o teorema de Pitágoras, determine o valor de x.

5

6

7

8

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Determine o valor da tangente de beta dado o triângulo da figura.

43\frac{4}{3}

34\frac{3}{4}

35\frac{3}{5}

53\frac{5}{3}

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

sen 30º =

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

22\frac{\sqrt{2}}{2}

11

12\frac{1}{2}

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