If 3cos2x - 2sin2x = -0.75 and 0° ≤ x ≤ 90°, then x = ? – McqOptions

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1.	If 3cos2x - 2sin2x = -0.75 and 0° ≤ x ≤ 90°, then x = ?
A.	30°
B.	90°
C.	60°
D.	45°
Answer» D. 45°

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