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Notiuni de trigonometrie in triunghiul dreptunghic

Authored by Flavius -thebest

Mathematics

1st Grade

Used 2+ times

Notiuni de trigonometrie in triunghiul dreptunghic
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Care este formula sinusului unghiului C ?

AC/BC

BC/AB

AB/BC

AC/BC

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce valori au cos si sin pentru unghiul de 45°?

√2/2;√2/2

√3/2;√2/2

2√5/4;2/√3

√3/3;1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

AB²=BC²+AC²-2BC⋅AC⋅cos C

Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin² X°+cos² X°=?

AB²+AC²=BC²

AB²=BC⋅BD

AD²=BD⋅DC

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este complementul unui unghi de 30°

90°

60°

50°

180°

150°

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Cu ce este egala tangenta de unghiul B?

90°

AB²=BC²+AC²-2BC

sin B/cos B

AC/BC

c²=a²+b²-2a²

Answer explanation

Media Image

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cu cat sunt egale tangenta si contangenta unghiului de 45°

1;1

√2/2;√2/2

√3/2;√2/3

√3/1

1

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