defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

If 2 cos²θ – 5 cos θ + 2 = 0, If 0° < θ < 90°, then find the value of θ.

1

45°

2

60°

3

90°

4

30°

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