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Ответ:

= 1

Пошаговое объяснение:

1. sin 41°×cos41°= (1/2)×2×sin41°×cis41°=(1/2)×sin(2×41°)=(1/2)×sin82°

2. cos76°=cos(90°-14°)=sin14°

3. sin68°×cos14°+sin14°×cos68°=sin(68°+14°=sin82°

4. sin82°/sin82°=1