Trigonometria Flashcards

1
Q

macete

A

SOHCAHTOA

S= seno
O=oposto
H= hipotenusa
C= cosseno
A= adjacente
H= hipotenusa
T= tangente
O= oposto
A= adjacente

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2
Q

seno

A

oposto/hipotenusa

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3
Q

tangente

A

oposto/adjacente

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3
Q

cosseno

A

adjacente/hipotenusa

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4
Q

triângulo com ângulos 60º, 90º e 30º

A

hipotenusa: a
cateto oposto: a/2
cateto adjacente: a/2 . raiz 3

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5
Q

Lei dos senos

A

a/sen a = b/sen b = c/sen c

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6
Q

Lei dos cossenos

A

a² = b² + c² - 2.b.c . cos a

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7
Q

o que a lei dos senos relaciona?

A

2 lados e dois ângulos

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8
Q

o que a lei dos cossenos relaciona?

A

3 lados e um ângulo

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9
Q

sen (180 - alfa) =

A

sen a

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10
Q

cos (180 - alfa) =

A

cos a

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11
Q

soma dos ângulos internos de um quadrilátero

A

360º

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12
Q

soma dos ângulos externos de um quadrilátero

A

360º

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13
Q

raiz de 2

A

1,4

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14
Q
A
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