Trygonometria kąta ostrego

Trygonometria kąta ostrego

12th Grade

14 Qs

quiz-placeholder

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Trygonometria kąta ostrego

Trygonometria kąta ostrego

Assessment

Quiz

Mathematics

12th Grade

Medium

Used 65+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jeżeli przyprostokątna leżąca naprzeciw kąta ostrego ma długość 5 i tangens tego kąta wynosi  512\frac{5}{12} , to przeciwprostokątna ma długość:

12

13

14

20

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Kąt  α\alpha  ma miarę około:

 54°54\degree  

 37°37\degree  

 38°38\degree  

 51°51\degree  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Korzystając z danych na rysunku wskaż prawdziwe stwierdzenie.

cosα=911\cos\alpha=\frac{9}{11}

sinα=911\sin\alpha=\frac{9}{11}

sinα=11210\sin\alpha=\frac{11}{2\sqrt{10}}

cosα=21011\cos\alpha=\frac{2\sqrt{10}}{11}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kąt α\alpha jest ostry i  cosα=45\cos\alpha=\frac{4}{5}  . Wtedy:

 sinα=35\sin\alpha=\frac{3}{5}  oraz tgα=43tg\alpha=\frac{4}{3}  

 sinα=53\sin\alpha=\frac{5}{3}  oraz tgα=54tg\alpha=\frac{5}{4}  

 sinα=35\sin\alpha=\frac{3}{5}  oraz  tgα=34tg\alpha=\frac{3}{4}  

 sinα=34\sin\alpha=\frac{3}{4}  oraz  tgα=35tg\alpha=\frac{3}{5}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kąt  α\alpha  jest ostry i  tgα=3tg\alpha=3  . Zatem  sinα\sin\alpha  jest równy:

 1010\frac{\sqrt{10}}{10}  

 31010\frac{3\sqrt{10}}{10}  

 33  

 110\frac{1}{\sqrt{10}}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wartość wyrażenia cos212°+cos278°2sin223°+cos223°+2\frac{\cos^212\degree+\cos^278\degree-2}{\sin^223\degree+\cos^223\degree+2} jest równa:

 12\frac{1}{2}  

 13-\frac{1}{3}  

 1-1  

 11  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kąt  α\alpha  jest ostry i sin  α\alpha  =  25\frac{2}{5}  . Wówczas cos  α\alpha  jest równy:

 35\frac{3}{5}  

 215\frac{\sqrt{21}}{5}  

 52\frac{5}{2}  

 214\frac{\sqrt{21}}{4}  

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