If 2sec2x – tan2x = 5 and 0° ≤ x ≤ 90°, then x = ? – McqOptions

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1.	If 2sec2x – tan2x = 5 and 0° ≤ x ≤ 90°, then x = ?
A.	45°
B.	60°
C.	30°
D.	90°
Answer» C. 30°

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