Question: Solve the equation cos (2x)cos x + sin (2x)sin x = 0 given that 0 < x < 2. Select the correct answer below:

Solve the equation cos (2x)cos x + sin (2x)sin x = 0

Solve the equation cos (2x)cos x + sin (2x)sin x = 0 given that 0 < x < 2. Select the correct answer below:

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