Question: Solve the given trigonometric equations analytically (using identities when necessary for exact values when possible) for values of x for 0 x < 2.

Solve the given trigonometric equations analytically (using identities when necessary for exact values when possible) for values of x for 0 ≤ x < 2π.

2 cos2 x − 2 cos 2x − 1 = 0

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