Trigonometria Flashcards

1
Q

Qual a fórmula para descobrir o horário do relógio?

A
  1. min - 60. h /2
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2
Q

Quantos graus vale 1 radiano?

A

57º

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3
Q

Quanto vale 2 π radianos?

A

360º

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4
Q

Em 1 h o ponteiro das horas anda quantos graus?

A

30º

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5
Q

Em 1 min o ponteiro dos minutos anda quantos graus?

A

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6
Q

Qual é a fórmula para se calcular o comprimento de uma circunferência?

A

2πr

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7
Q

Sen 0º?

A

0

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8
Q

Sen 90º?

A

1

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9
Q

Sen 180º?

A

0

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10
Q

Sen 270º?

A

-1

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11
Q

Cos 0º?

A

1

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12
Q

Cos 90º?

A

0

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13
Q

Cos 180º?

A

-1

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14
Q

Cos 270º?

A

0

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15
Q

sen²x + cos²x = ?

A

1

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16
Q

tgx?

A

senx/cosx

17
Q

Qual é o eixo do seno? E do cosseno?

A

Eixo das ordenadas (y). Eixo das abcissas (x).