Trigo

Question 1

Citez les angles tirgonométrique dans l’ordre

Answer 1

0, pi/6 , pi/4, pi/3, pi/2, 2pi/3, 3pi/4, 5pi/6, pi, 7pi/6, 5pi/4, 4pi/3, 3pi/2, 5pi/3, 7pi/4, 11pi/6, 2pi

Question 2

Tan x =

Answer 2

Sin(x) / cos(x)

Question 3

Csc =

Answer 3

1 / sin(x)

Question 4

Cot =

Answer 4

1 / tan(x)

Question 5

Sin^2(x) + cos^2(x) =

Answer 5

1

Question 6

Tan^2(x) +1 =

Answer 6

1 / cos^2(x)

Question 7

1 + cot^2(x) =

Answer 7

1 / sin^2(x)

Question 8

Sin(-x)=

Answer 8

-sin(x)

Question 9

Cos(-x)=

Answer 9

Cos(x)

Question 10

Sin(x+y) =

Answer 10

Sin(x) cos(y) + sin(y) cos(x)

Question 11

Cos(x+y) =

Answer 11

Cos(x) cos(y) - sin(x) sin(y)

Question 12

Sin(x-y)

Answer 12

Sin(x) cos(y) - cos(x) sin(y)

Question 13

Cos(x-y)=

Answer 13

Cos(x) cos(y) + sin(x) sin(y)

Question 14

Sin2x =

Answer 14

2sin(x) cos(x)

Question 15

Cos2x

Answer 15

Cos^2(x) - sin^2(x)

2cos^2(x) - 1

1- 2sin^2(x)

Question 16

Cos^2x =

Answer 16

1+cos2x / 2

Question 17

Sin^2x =

Answer 17

1-cos2x / 2

Question 18

Tan(x+y) =

Answer 18

Tan(x) + tan(y) / 1-tan(x)tan(y)

Question 19

Tan(x-y)

Answer 19

Tan(x) - tan(y) / 1+ tan(x) tan(y)

Question 20

Sin(x) cos(y) =

Answer 20

1/2 ( sin(x+y) + sin(x-y) )

Question 21

Cos(x) cos(y)=

Answer 21

1/2 ( cos(x+y) + cos(x-y) )

Question 22

Sin(x) sin(y) =

Answer 22

1/2 ( cos(x-y) - cos(x+y) )

Question 23

Sin est _ ou I

Answer 23

I

Question 24

Cos est _ ou I

Answer 24

_