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Funcții trigonometrice I

Authored by Elena Teodorescu

Mathematics

7th - 8th Grade

Used 12+ times

Funcții trigonometrice I
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6 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Aplicând TP în  Δ\Delta ABC dr. obținem:

AB2 = BC2 + CA2

BC2 = CA2 + AB2

AC2 = AB2 + BC2

Nu se poate aplica teorema lui Pitagora

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Aplicând TH în Δ\Delta ABC dr obținem: 

 BD=c1c2ipBD=\frac{c_1\cdot c_2}{ip}  

 BD=DCDABD=DC\cdot DA  

 AB2=ACADAB^2=AC\cdot AD  

 BD2=ADDCBD^2=AD\cdot DC  

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Funcția trigonometrică sinus pentru un unghi ascuțit se definește ca raportul:

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

sinus

cosinus

tangentă

cotangentă

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Funcția trigonometrică cosinus pentru un unghi ascuțit se definește:

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