Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If sin2x = 3 cos2x and 0° ≤ x ≤ 90°, then what is the value of \(\frac{x}{2}\)?
1
22.5°
2
45°
3
15°
4
More than one of the above
5
None of the above