other govt exam CPRI Assistant Grade II Mock Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

यदि sin2 θ − 3 sin θ + 2 = 0 है, तो θ का मान (जहाँ 0° ≤ θ ≤ 90° है) ज्ञात कीजिए।

1
45°
2
0°
3
60°
4
90°
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