Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If $3sec^2 x - 4 = 0 $, then the value of x ( 0 < x < 90°)

Options:

15°

45°

30°

60°

Correct Answer:

30°

Explanation:

3 sec²x - 4 = 0

3 sec²x = 4

secx = \(\frac{2 }{√3}\)

{ we know, sec30º = \(\frac{2 }{√3}\) }

So,

x = 30º