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Persamaan Trigonometri I

Authored by Ibnu Premono

Mathematics

2nd Grade

Used 3+ times

Persamaan Trigonometri I
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian persamaan

cos 2x + cos x = 0, 0° £ x £ 180° adalah …

{45°, 120°}

{45°, 135°}

{60°, 135°}

{60°, 120°}

{60°, 180°}

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian persamaan

cos 2x – 3 cos x + 2 = 0, 0° £ x £ 360° adalah …

{60°, 300°}

{0°, 60°, 300°}

{0°, 60°, 180°, 360°}

{0°, 60°, 300°, 360°}

{0°, 60°, 120°, 360°}

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A

B

C

D

E

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A

B

C

D

E

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian persamaan:

sin 4x – cos 2x = 0, untuk 0° < x < 360°

{15°, 45°, 75°, 135°}

{135°, 195°, 225°, 255°}

{15°, 45°, 195°, 225°}

{15°, 75°, 195°, 255°}

{15°, 45°, 75°, 135°, 195°,225°, 255°,315°}

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian persamaan:

sin x – sin 80 = 0, untuk 0° < x < 360°

{o°, 40°}

{80°, 100°, 180°, 360°}

{100°, 360°}

{80°, 100°}

{0°, 40°, 80°, 100°, 360°}

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian persamaan:

sin 2x + 1/2=0, untuk 0° < x < 360°


{712π, 1112π}\left\{\frac{7}{12}\pi,\ \frac{11}{12}\pi\right\}

{712π, 1112π, 1512π}\left\{\frac{7}{12}\pi,\ \frac{11}{12}\pi,\ \frac{15}{12}\pi\right\}

{712π, 1512π, 2312π}\left\{\frac{7}{12}\pi,\ \frac{15}{12}\pi,\ \frac{23}{12}\pi\right\}

{712π, 1112π, 1512π, 2312π}\left\{\frac{7}{12}\pi,\ \frac{11}{12}\pi,\ \frac{15}{12}\pi,\ \frac{23}{12}\pi\right\}

{712π, 1112π, 1912π,2312π}\left\{\frac{7}{12}\pi,\ \frac{11}{12}\pi,\ \frac{19}{12}\pi,\frac{23}{12}\pi\right\}

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