Gce Model Questions Vol1 2023 Mathematics Question 38

Practice objective / multiple choice question 38 from the 2023 Gce Model Questions Vol1 Mathematics examination.

Gce Model Questions Vol1 2023 Mathematics Objective / Multiple Choice Hard Difficulty
Question 38 GCE_MODEL_QUESTIONS_VOL1 • 2023 • MATHEMATICS • objective

Solve for \(x\) in the interval \(0< x < 2\pi\) that satisfies \(2\cos^{2}x-\sqrt{3}\cos x-1=0\).

Answer Options

A. x=arccos((√11-√3)\/4) or x=2π-arccos((√11-√3)\/4)
B. x=arccos((√3+√11)\/4) or x=2π-arccos((√3+√11)\/4)
Correct Answer C. x=arccos((√3-√11)/4) or x=2π-arccos((√3-√11)/4)
D. x=π-arccos((√3-√11)\/4) or x=π+arccos((√3-√11)\/4)
Correct Answer
C
Correct Option:
x=arccos((√3-√11)/4) or x=2π-arccos((√3-√11)/4)

About This Question

This is Gce Model Questions Vol1 2023 Mathematics Question 38. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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