Report copyright - 2 3cos2 2sin2 4( cos2 sin2 )3 1 4cos(2 ) x...3sin2 cos2 2 3 1 2 sin2 cos2 cos( ) cos 2 2 2 3 4 xx x x x SS C 3 ححفظا ⑤ 3cos sin 4sin cos 2cos( ) 2sin2 3 5 22 32 cos( ) cos(
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