What are all the solutions to the equation cos²x-sin²x = in²x-√2/22 b C d x=+zn +zn and x=+n X= Зл 8 +zn and x = Зл X= 5x 7x +2mm and x = +2rn 8 +2rn and x = +an 5 8 +2tn

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