Trigonometri kelas 11

Trigonometri kelas 11

11th Grade

10 Qs

quiz-placeholder

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Trigonometri kelas 11

Trigonometri kelas 11

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

yulia aviatus

Used 655+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika  tanα=724 \tan\alpha=\frac{7}{24}\   dan  tanβ=43\tan\beta=\frac{4}{3}   dengan  α\alpha  dan  β\beta  sudut lancip, hasil dari  cos(α+β)=....\cos\left(\alpha+\beta\right)=....  

 44125\frac{44}{125}  

 75125\frac{75}{125}  

 96125\frac{96}{125}  

 115125\frac{115}{125}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pada suatu segitiga siku-siku ABC dengan siku-siku di C berlaku  \cos A.\cos B=\frac{1}{2} . Nilai dari  cos(αβ)=....\cos\left(\alpha-\beta\right)=....  


 1-1  

 12-\frac{1}{2}  

 00  

 11  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Dalam  \Delta ABC  , diketahui  sinA=35\sin A=\frac{3}{5}  dan  tanB=34\tan B=\frac{3}{4}  . Nilai  sinC=....\sin C=....  


 1-1  

 525\frac{5}{25}  

 1225\frac{12}{25}  

 2425\frac{24}{25}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui  sinx=35\sin x=\frac{3}{5}  dengan sudut x adalah lancip. Nilai dari  sin2x\sin2x  adalah...

 2524\frac{25}{24}  

 2524-\frac{25}{24}  

 2425-\frac{24}{25}  

 725\frac{7}{25}  

 2425\frac{24}{25}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui  sinα=1513, α\sin\alpha=\frac{1}{5}\sqrt{13},\ \alpha  sudut lancip. Nilai dari  cos2α=...\cos2\alpha=...  

 125-\frac{1}{25}  

-1

 12-\frac{1}{2}  

 15-\frac{1}{5}  

1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 cos85°cos55°+sin85°sin55°=...\cos85\degree\cos55\degree+\sin85\degree\sin55\degree=...  

0

1

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

 123\frac{1}{2}\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rumus sinus jumlah dua sudut...

sin (α+β)=sin α cos β+cos α sin β\sin\ \left(\alpha+\beta\right)=\sin\ \alpha\ \cos\ \beta+\cos\ \alpha\ \sin\ \beta

sin (αβ)=sinα cos βcos α sin β\sin\ \left(\alpha-\beta\right)=\sin\alpha\ \cos\ \beta-\cos\ \alpha\ \sin\ \beta

sin (α+β)=sin α cos βcos α sin β\sin\ \left(\alpha+\beta\right)=\sin\ \alpha\ \cos\ \beta-\cos\ \alpha\ \sin\ \beta

sin (αβ)=sin α cos β+cos α sin β\sin\ \left(\alpha-\beta\right)=\sin\ \alpha\ \cos\ \beta+\cos\ \alpha\ \sin\ \beta

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