B02 - Graduação de uma Circunferência Flashcards by Pedro Queiroga | Brainscape

Q

30° em radianos

A

^π/₆

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Q

45 ° em radianos

A

^π/₄

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Q

60 ° em radianos

A

^π/₃

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Q

180 ° em radianos

A

π rad

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Q

relação fundamental da trigonometria

A

sen²α + cos²α = 1

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Q

seno de um ângulo

A

cateto oposto/ hipotenusa

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Q

cosseno de um ângulo

A

cateto adjacente/ hipotenusa

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Q

tangente de um ângulo

A

cateto oposto/ cateto adjacente

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Q

sen (a ± b)

A

sena. cosb ± senb. cosa

(mantém o sinal)

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Q

cos (a ± b)

A

cosa. cosb ± sena. senb

(inverte o sinal)

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Q

tg (a ± b)

A

tga ± tgb/1 ± tga. tgb

(em cima mantém e embaixo troca)

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