03 Перетворення тригонометричних виразів -- 01 Формули додавання Flashcards

1
Q

Формула синуса суми: sin(x+y)=

A

sinx ⋅ cosy + cosx ⋅ siny

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2
Q

Формула синуса різниці: sin(x−y)=

A

sinx ⋅ cosy − cosx ⋅ siny

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3
Q

Формула косинуса суми: cos(x+y)=

A

cosx ⋅ cosy − sinx ⋅ siny

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4
Q

Формула косинуса різниці: cos(x−y)=

A

cosx ⋅ cosy + sinx ⋅ siny

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