Q. If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90° , then x = ?
A) 90°
B) 60°
C) 45°
D) 30°
✔ Correct Answer: 60°
Exam Insight
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A) 90°
B) 60°
C) 45°
D) 30°
✔ Correct Answer: 60°
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