Ответ:
Sin²45-cos60=(√2/2)²-1/2=0
sin²45-cos60 = 45n²si-cos60 =
45n²si-60cos
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Ответ:
Sin²45-cos60=(√2/2)²-1/2=0
sin²45-cos60 = 45n²si-cos60 =
45n²si-60cos