If 3cos2 x – 2sin2 x = - 0.75 and 0° ≤ x ≤ 90°, then x = ? – McqOptions

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1.	If 3cos2 x – 2sin2 x = - 0.75 and 0° ≤ x ≤ 90°, then x = ?
A.	60°
B.	45°
C.	30°
D.	90°
Answer» B. 45°

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