1.

 Solve for A for the given equation cos 2A = 1 – cos 2A

A. 45, 125, 225, 315 degrees
B. 45, 125, 225, 335 degrees
C. 45, 135, 225, 315 degrees
D. 45, 150, 220, 315 degrees
Answer» D. 45, 150, 220, 315 degrees


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