Transformações Trigonométricas: Adição e Subtração de Arcos Flashcards

1
Q

Cosseno da soma

A

cos (a+b)= cos a. cos b - sen a . sen b

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2
Q

Cosseno da diferença

A

cos (a-b)= cos a . cos b+ sen a . sen b

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3
Q

Seno da soma

A

sen (a+b)= sen a. cos b+sen b . cos a

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4
Q

Seno da diferença

A

sen (a-b)= sen a. cos b-sen b. cos a

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5
Q

Tangente da soma

A

tg (a+b)= tg a+tg b/ 1- tg a . tg b

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6
Q

Tangente da diferença

A

tg (a-b)= tg a-tg b/1+tg a. tg b

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7
Q

Cotangente da soma

A

cotg (a+b)= cotg a. cotg b -1 /cotg a + cotg b

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8
Q

Cotangente da diferença

A

cotg (a-b)= cotg a. cotg b +1/cotg b- cotg a

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