Предмет: Алгебра, автор: samson02242006

Найдите значение выражения
1) 3sin 60° - 2sin 1/2=
2) 5√16 + ^4√16 - ^8√1 (4 и 8 над корнем)
3) ^3√40/5 (3 над корнем 40 дробь 5)

Ответы

Автор ответа: iskhakovparty2
1

Ответ:

1) 3sin 60° - 2sin 1/2 = 3 × √3/2 - 1 = 3√3 - 2 /2

2) 5√16 + ^4√16 - ^8√1 = 5√16 + 2 - 1 = 5√16 + 1

3) ^3√40/5 = ^3√2³ × 5 / 5= 2^3√5 / 5

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