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Ответ

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Ответ дан
iosiffinikov

Ответ:

2sin^2(60)=1,5

Пошаговое объяснение:

sin 60=sqrt(3)/2

sin^2(60)=3/4

2sin^2(60)=3/2

Ответ

Проверено экспертом

Ответ дан
papagenius

Ответ:

Пошаговое объяснение:

displaystyle [2{sin^2}60= 2cdot {left({frac{{sqrt 3}}{2}}right)^2}=2 cdotfrac{3}{4}=frac{3}{2}=boxed{1,5}]

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