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Trigonometriskās sakarības taisnleņķa trijstūrī

Authored by Ilzite K

Mathematics

9th Grade

Used 26+ times

Trigonometriskās sakarības taisnleņķa trijstūrī
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Ja sinα = 22, tad Ja\ \sin\alpha\ =\ \frac{\sqrt{2}}{2},\ tad\   leņķis  α\alpha  ir

 30030^0  

 45045^0  

 60060^0  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Izvēlies pareizo atbildi!

sin 400 = w28\sin\ 40^{0\ }=\ \frac{w}{28}

cos 400 =w28\cos\ 40^0\ =\frac{w}{28}

sin 400 = 28w\sin\ 40^0\ =\ \frac{28}{w}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

cos A =

35\frac{3}{5}

45\frac{4}{5}

1 131\ \frac{1}{3}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

 cos 37o=?\cos\ 37^o=?  

 x14\frac{x}{14}  

 14x\frac{14}{x}  

nevar noteikt

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

sin C =

2129\frac{21}{29}

2029\frac{20}{29}

2021\frac{20}{21}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

tg C =

3627\frac{36}{27}

3645\frac{36}{45}

nevar noteikt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Taisnleņķa trijstūra garākā mala ir

hipotenūza

piekatete

pretkatete

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