Persamaan Trigonometri
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Easy
Khairunnisaa Khairunnisaa
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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Nilai x yang memenuhi persamaan sin x =½√3 untuk 0° ≤ x ≤ 360° adalah...
{60° , 120°}
{30° , 120°}
{30° , 150°}
{45° , 135°}
Answer explanation
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Nilai x yang memenuhi persamaan cos x =½ untuk 0° ≤ x ≤ 360° adalah ...
{60° , 120°}
{30° , 300°}
{60° , 300°}
{45° , 315°}
Answer explanation
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Himpunan penyelesaian persamaan √2 sin 3x = 1 untuk 0° ≤ x ≤ 180° adalah ...
{15°, 45°, 135°}
{15°, 45°, 165°}
{35°, 45°, 145°}
{15°, 45°, 135°, 165°}
Answer explanation
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Nilai x yang memenuhi persamaan tan 2x = ⅓√3 untuk 0° ≤ x ≤ 270° adalah ...
{15°, 105°, 195°}
{15°, 75°, 105°}
{15°, 45°, 75°}
{45°, 315°}
Answer explanation
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
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°}
Answer explanation
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Himpunan penyelesaian dari persamaan cos 2x − sin x = 0 untuk 0° ≤ x ≤ 180° adalah ...
{30° , 150°}
{60° , 120°}
{30° , 60° , 150°}
{60° , 90° , 120°}
Answer explanation
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Himpunan penyelesaian dari persamaan sin (2x + 110)° + sin (2x − 10)° = ½ untuk 0° ≤ x ≤ 360° adalah ...
{10°, 50°, 170°, 230°}
{50°, 70°, 230°}
{50°, 170°, 230°, 350°}
{10°, 20°, 80°, 100°}
Answer explanation
8.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Nilai x yang memenuhi persamaan cos 2x + sin x − 1 = 0 untuk 0° < x ≤ 360° adalah ...
{30°, 150°, 180°, 360°}
{60°, 120°, 150°, 270°}
{30°, 150°, 180°, 270°}
{30°, 90°, 150°, 270°}
Answer explanation
9.
FILL IN THE BLANK QUESTION
10 mins • 20 pts
Diberikan persamaan dalam x, yaitu 1 + α cos x = (α + 1)². Tentukan nilai α yang bulat (α ≠ 0) sehingga persamaan tersebut memiliki penyelesaian.
Answer explanation
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