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Remidi PH 2 Kelas XI IPA 1

Authored by Dewi Ulfa

Mathematics

11th Grade

Used 1+ times

Remidi PH 2 Kelas XI IPA 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai dari sin 45º cos 15º - cos 45º sin 15º sama dengan …

1/2

V2 / 2

V3 / 2

V6 / 2

V3 / 3

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui a-b=600 dan sin a sin b = 1/4 dengan a dan b merupakan sudut lancip. Nilai dari cos (a + b) = …

1

3/4

1/2

1/4

0

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui sin A = 4/5 dan sin B = 7/25 , dengan A sudut lancip dan B sudut tumpul. Nilai cos (A – B) = …

-117 / 125

-100 / 125

-75 / 125

-44 / 125

-21 / 125

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Himpunan penyelesaian dari  tan(x45°)=tan30°\tan⁡(x-45°)=\tan⁡30°  untuk   0°x360°0°≤x≤360°  adalah . . .

 {25°,105°}\left\{25°,105°\right\}  

 {75°,225°}\left\{75°,225°\right\}  

 {25°,305°}\left\{25°,305°\right\}  

 {75°,105°}\left\{75°,105°\right\}  

 {75°,205°}\left\{75°,205°\right\}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Penyelesaian dari persamaan 2sin2xsinx1=02\sin^2x-\sin x-1=0   untuk  180°x360°180\degree\le x\le360\degree  adalah ...

 150°150\degree  dan  180°180\degree  

 180°180\degree  dan  210°210\degree  

 210°210\degree  dan 330°330\degree  

 240°240\degree  dan  270°270\degree  

 300°300\degree  dan 330°330\degree  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai dari 4 sin 22,50 cos 22,50 adalah ....

424\sqrt{2}

222\sqrt{2}

2\sqrt{2}

122\frac{1}{2}\sqrt{2}

142\frac{1}{4}\sqrt{2}

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