Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If cosec2 x - 2 = 0, then the value of x (0 < x < 90°) is :

Options:

15°

45°

30°

60°

Correct Answer:

45°

Explanation:

Given :-

cosec2 x - 2 = 0

cosec x = \(\sqrt { 2}\)

{ cosec 45º = \(\sqrt { 2}\) }

So, cosec x = cosec 45º

Hence,  x = 45º