Find the real zeros of the trigonometric function on the interval 0less than or equalsthetaless than2pi.
f(x)equalsnegative 2 sine left parenthesis 2 x right parenthesis minus 2 sine x
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Part 1
The real zeros are
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(Use a comma to separate answers as needed. Type exact answers, using pi as needed. Use integers or fractions for any numbers in the expressions.)
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