Повторите формулу сложения в матиматике=/
AnastasiaHCWP
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22.01.2021 20:18
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sin(a + b)= sin a cos b + cos a sin b
Первое слагаемое плюс второе слагаемое равно сумма
Первое слагаемое равно-из суммы вычесть второе слагаемое
Второе слагаемое равно-из суммы вычесть первое слагаемое
Пошаговое объяснение: