Предмет: Математика, автор: hatiksuper

Определить знак выражения
а) sin136°×cos173°

Ответы

Автор ответа: UnFadeGamma
1

Ответ:

-

Пошаговое объяснение:

1) 136° и 173° находятся во II четверти (здесь sin - положительный, а cos - отрицательный);

2) Положительное число умноженое отрицательное число даёт отаицательное число.

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