Rumus- rumus Trigonometri 1

Rumus- rumus Trigonometri 1

12th Grade - University

10 Qs

quiz-placeholder

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Rumus- rumus Trigonometri 1

Rumus- rumus Trigonometri 1

Assessment

Quiz

Mathematics

12th Grade - University

Practice Problem

Hard

Created by

Fuji Rianti

Used 228+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Bagaimanakah rumus untuk mencari Cos (α+β)\left(\alpha+\beta\right)  ?

 cosα.sinβ+sinα.cosβ\cos\alpha.\sin\beta+\sin\alpha.\cos\beta  

 cosα.sinβcosα.sinβ\cos\alpha.\sin\beta-\cos\alpha.\sin\beta  

 cosα.cosβ+sinα.sinβ\cos\alpha.\cos\beta+\sin\alpha.\sin\beta  

 cosα.cosβsinα.sinβ\cos\alpha.\cos\beta-\sin\alpha.\sin\beta  

 cosα.sinβ+cosα.sinβ\cos\alpha.\sin\beta+\cos\alpha.\sin\beta  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Bagaimana cara menentukan  cos(α30°)\cos\left(\alpha-30\degree\right)  ?

 123(sinα+cosα)\frac{1}{2}\sqrt{3}\left(\sin\alpha+\cos\alpha\right)   

  123(cosαsinα)\frac{1}{2}\sqrt{3}\left(\cos\alpha-\sin\alpha\right)  

  12(3cosα+sinα)\frac{1}{2}\left(\sqrt{3}\cos\alpha+\sin\alpha\right)  

 12(cosα3sinα)\frac{1}{2}\left(\cos\alpha-\sqrt{3}\sin\alpha\right)  

  12(cosα+3sinα)\frac{1}{2}\left(\cos\alpha+\sqrt{3}\sin\alpha\right)  

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Bagaimana cara menentukan  sin(α+β)\sin\left(\alpha+\beta\right)  ?

 sinα.cosβ+cosα.sinβ\sin\alpha.\cos\beta+\cos\alpha.\sin\beta  

 sinα.cosβcosα.sinβ\sin\alpha.\cos\beta-\cos\alpha.\sin\beta  

 sinα.sinβ+cosα.cosβ\sin\alpha.\sin\beta+\cos\alpha.\cos\beta  

 sinα.sinβcosα.cosβ\sin\alpha.\sin\beta-\cos\alpha.\cos\beta  

 sinα.cosβ+sinα.cosβ\sin\alpha.\cos\beta+\sin\alpha.\cos\beta  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika  α+β=30°, dan sinα.cosβ=13, maka cosα.sinβ= ......\alpha+\beta=30\degree,\ dan\ \sin\alpha.\cos\beta=\frac{1}{3},\ maka\ \cos\alpha.\sin\beta=\ ......  

 16\frac{1}{6}  

 15\frac{1}{5}  

  14\frac{1}{4}  

  13\frac{1}{3}  

 12\frac{1}{2}  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 cos75° adalah .....\cos75\degree\ adalah\ .....  

 143(21)\frac{1}{4}\sqrt{3}\left(\sqrt{2}-1\right)  

 142(3+1)\frac{1}{4}\sqrt{2}\left(\sqrt{3}+1\right)  

 142(13)\frac{1}{4}\sqrt{2}\left(1-\sqrt{3}\right)  

 142(31)\frac{1}{4}\sqrt{2}\left(\sqrt{3}-1\right)  

 143(12)\frac{1}{4}\sqrt{3}\left(1-\sqrt{2}\right)  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 sin105° adalah .....\sin105\degree\ adalah\ .....  

 143(21)\frac{1}{4}\sqrt{3}\left(\sqrt{2}-1\right)  

 143(12)\frac{1}{4}\sqrt{3}\left(1-\sqrt{2}\right)  

 142(31)\frac{1}{4}\sqrt{2}\left(\sqrt{3}-1\right)  

 142(3+1)\frac{1}{4}\sqrt{2}\left(\sqrt{3}+1\right)  

 142(13)\frac{1}{4}\sqrt{2}\left(1-\sqrt{3}\right)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 123sinx+12cosx sama dengan .....\frac{1}{2}\sqrt{3}\sin x+\frac{1}{2}\cos x\ sama\ dengan\ .....  

 cos(x60°)\cos\left(x-60\degree\right)  

 cos(x+60°)\cos\left(x+60\degree\right)  

 sin(x+60°)\sin\left(x+60\degree\right)  

 sin(x60°)\sin\left(x-60\degree\right)  

 cos(x30°)\cos\left(x-30\degree\right)  

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