Предмет: Геометрия, автор: ht1125

6 sin 30 ° + 4 cos 120° - cos 0° + 3 tg 135 °


renatfarzaliev9: Ты знаешь что такое tg?
renatfarzaliev9: Если да то я могу помочь
renatfarzaliev9: Мне надо понять что ето за формула

Ответы

Автор ответа: rito93
0

Ответ:

-3

Объяснение:

6*1/2 + 4*(-1/2) - 1 + 3*(-1) = 3 - 2 - 1 - 3 = -3

Автор ответа: OgerFa
0

sin 30° = 0.5.

cos 120° = -0.5.

cos 0° = 1.

tg 135° = -1.

Таким образом:

6 · 0.5 + 4 · -0.5 - 1 + 3 · -1 = 3 - 2 - 1 - 3 = -3

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