Nilai x yang memenuhi persamaan sin x = 1⁄2 √3 untuk 0° ≤ x ≤ 360° adalah ...

Final Math Quiz Competition 2024

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Mohammad Zaki Ardiansyah
Used 1+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
{60°, 120°}
{30°, 120°}
{30°, 150°}
{45°, 135°}
{60°, 120°, 240°}
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Himpunan penyelesaian persamaan 2 cos (x - π/6 ) = √3 untuk 0 ≤ x ≤ 2π adalah ...
{π/6 , π/2 }
{π/6 , π/3 }
{π/3 , π/2 }
{π/6 , 3π/2 }
{π/3 , 3π/2 }
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Himpunan penyelesaian dari persamaan 2 cos2 x + 5 sin x - 4 = 0 untuk 0° ≤ x ≤ 360° adalah ...
{30°, 150°}
{30°, 300°}
{60°, 150°}
{60°, 300°}
{150°, 300°}
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika x1 dan x2 adalah solusi dari persamaan di atas, maka tan (x1 + x2) = ...
- 5 / 7
- 5 / 3
√5 / 7
√5 / 3
5 / 3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika x1 dan x2 adalah solusi dari 2 cot x - 2 tan x - 4 sin x cos x = 0 untuk 0 < x < π/2 , maka sin²x₁ + sin²x₂ = ...
1 / 2
1
3 / 2
2
5 / 2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nilai x yang memenuhi persamaan sin (x + π / 6) = √3 sin x untuk 0 ≤ x ≤ 2π adalah...
π / 6 dan 2π / 3
π / 6 dan 5π / 6
π / 6 dan 7π / 6
π / 3 dan 2π / 3
π / 3 dan 5π / 6
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari persamaan di atas, nilai x = ...
π + k ⋅ π / 2
π / 2 + k ⋅ π / 2
π / 4 + k ⋅ π / 2
π / 6 + k ⋅ π / 2
π / 8 + k ⋅ π / 2
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