PERKALIAN SINUS DAN KOSINUS

PERKALIAN SINUS DAN KOSINUS

11th Grade

10 Qs

quiz-placeholder

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PERKALIAN SINUS DAN KOSINUS

PERKALIAN SINUS DAN KOSINUS

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Kaseri Seran

Used 61+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai dari 2 sin 1650 cos 150 = ...

-1

12-\frac{1}{2}

12\frac{1}{2}

123\frac{1}{2}\sqrt{3}

1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai dari  2 cos (14π+a) cos (14πa)2\ \cos\ \left(\frac{1}{4}\pi+a\right)\ \cos\ \left(\frac{1}{4}\pi-a\right)  adalah ...

cos 2a

cos a

1 - cos 2a

 12 cos 2a\frac{1}{2}\ \cos\ 2a  

 12 cos a\frac{1}{2}\ \cos\ a  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4 cos 67,50 cos 22,50 = ...

2\sqrt{2}

3\sqrt{3}

6\sqrt{6}

1+21+\sqrt{2}

1+31+\sqrt{3}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

cos 160° sin 140° = …

14(32 sin 20°)-\frac{1}{4}\left(\sqrt{3}-2\ \sin\ 20\degree\right)

14(3+sin 20°)-\frac{1}{4}\left(\sqrt{3}+\sin\ 20\degree\right)

14(3+2 sin 20°)-\frac{1}{4}\left(\sqrt{3}+2\ \sin\ 20\degree\right)

14(3+ sin 20°)\frac{1}{4}\left(\sqrt{3}+\ \sin\ 20\degree\right)

14(32 sin 20°)\frac{1}{4}\left(\sqrt{3}-2\ \sin\ 20\degree\right)

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Hasil dari 8 cos 75° cos 15° + 4 sin 127,5° cos 97,5° = …

3+23+\sqrt{2}

323-\sqrt{2}

1+21+\sqrt{2}

121-\sqrt{2}

2+32+\sqrt{3}

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Bentuk sederhana dari sin 4x sin 3x – cos 4x cos 3x adalah …

- sin x

cos x

sin 7x

cos 7x

- cos 7x

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai dari 4 sin 36° cos 72° sin 108° = …

2 sin2 36°

2 sin 36°

sin2 36°

sin 36°

0

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