Trigonometria Flashcards

1
Q

Qual a fórmula da Lei dos Senos?

A

a/Sen a = B/ Sen b= C/sen c = 2r

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Qual a fórmula da Lei dos Cossenos?

A

A² = b² + c² - 2bc • Cos a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

60 minutos (60’) equivalem a quantos graus no ponteiro dos minutos? E quanto a 1 minuto?

A

360°
Portando 1’ equivale a 6⁰

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

60 minutos no ponteiro da horas equivalem quantos graus? E 1 minuto?

A

30°
1’ equivale a 0,5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Como calcular o Sen ( a + b)?

A

Sen a • Cos b + Sen b • Cos a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Como calcular o Cos ( a + b)?

A

Cos a • Cos b - Sen a • Sen b

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Como calcular o Tg ( a + b)?

A

Tga + Tgb / 1 - Tga • Tgb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Como calcular a Sen (a - b)?

A

Sen a • Cos b - Sen b • Cos a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Como calcular a Cos (a - b)?

A

Cos a • cos b + Sen a • Sen b

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Como calcular a tg (a - b)?

A

Tga - Tgb / 1 + Tga • Tgb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly