engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If sin θ = \(\frac{\sqrt3}{2}\), and θ is an acute angle, find the value of cos 3θ
1
\(\frac{1}{2}\)
2
1
3
-1
4
0