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2sin x 2 1 cos x
2sin x 2 1 cos x pictures 5
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2sin x 2
2sin x 2 1 cos x
2sin 2 x sqrt 3 * cos x 1 0
the equation 2sin 2 x 2 cos 2 x x 1 x 0
integrate 1 /(( 2sin x cos x 2 dx
2sin 2 x cos x 1 0
cos 2 x sin 2 x 1 2sin 2 x
2sin x 2 1 cos x
