Question 1030909
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Find all real numbers in the interval [0,2pi) that satisfies the equation.
cos^2(2x)+sin(2x)=1
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Replace {{{cos^2(2x)}}} by {{{1 - sin^2(2x)}}}.


You will get a quadratic equation for sin(2x).


Can you solve this quadratic equation?


Can you complete the task from this point?