If 2 cos2x – sin2x = -0.25 and 0° ≤ x < 90°, then find the value – McqOptions

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1.	If 2 cos2x – sin2x = -0.25 and 0° ≤ x < 90°, then find the value of x.
A.	30°
B.	60°
C.	90°
D.	40°
Answer» C. 90°

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