Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If 3 sin2α - cos2α= 0 , find the value of α .

Options:

45°

90°

 30°

60°

Correct Answer:

 30°

Explanation:

3 sin2α - cos2α= 0

tan2α = \(\frac{1}{3}\) 

tanα = \(\frac{1}{√3}\)

α = 30°