Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If sin A = 4/5, then what is the value of sin2 A?

Options:

26/25

36/25

48/25

16/25

Correct Answer:

16/25

Explanation:

Given :-

sinA = \(\frac{4}{5}\)

(sinA )2= ( \(\frac{4}{5}\) )2

= \(\frac{4}{5}\) × \(\frac{4}{5}\) 

= \(\frac{16}{25}\)