Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If 2 sin2α - 3 = 0 , find the value of α .

Options:

90°

 60°

45°

30°

Correct Answer:

 60°

Explanation:

2 sin2α - 3 = 0

sin2α = \(\frac{3}{2}\) 

sinα = \(\frac{\sqrt {3}}{2}\)

α = 60°