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Solve for x where x is a real number, sin 2x = sin x, 0 less than or equal to x less than or equal to 2 pi

Solve for x where x is a real number,
sin 2x = sin x, 0 less than or equal to x less than or equal to 2 pi
0 0
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Solve for x where x is a real number, sin 2x = sin x, 0 less than or equal to x less than or equal to 2 pi ------------------------------ 2sinxcosx = sinx Factor: sinx(2cosx-1) = 0 sinx = 0 or 2cosx-1 = 0 sinx = 0 or cosx = 1/2 x = 0 or pi OR x = pi/3 or (5/3)pi ======================================== Cheers, Stan H.
answered by: yennar
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Solve for x where x is a real number, sin 2x = sin x, 0 less than or equal to x less than or equal to 2 pi
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