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Trigo
Quiz sur la trigonométrie.
von Aerion
16 fragen
1.
Cos(a+b)=
a
Cos(a)cos(b) - sin(a)sin(b)
b
Cos(a)cos(b) + sin(a)sin(b)
c
Sin(a)cos(b) - cos(a)sin(b)
d
Sin(a)cos(b) + cos(a)sin(b)
2.
Cos(π/2+x)=
a
-cos(x)
b
-sin(x)
c
Cos(x)
d
Sin(x)
3.
Sin(-x)=
a
-cos(x)
b
-sin(x)
c
Cos(x)
d
Sin(x)
4.
Cos(π-x)=
a
-Cos(x)
b
Cos(x)
c
-sin(x)
d
Sin(x)
5.
Cos(a-b)=
a
Cos(a)cos(b) - sin(a)sin(b)
b
Sin(a)cos(b) + cos(a)sin(b)
c
Cos(a)cos(b) + sin(a)sin(b)
d
Sin(a)cos(b) - cos(a)sin(b)
6.
Cos(2a)=
a
Cos²(a) - sin²(a)
b
2cos²(a)
c
2sin²(a)+cos²(a)
d
2sin(a)cos(a)
7.
Sin(a+b)=
a
Sin(a)cos(b) - cos(a)sin(b)
b
Cos(a)cos(b) + sin(a)sin(b)
c
Cos(a)cos(b) - sin(a)sin(b)
d
Sin(a)cos(b)+cos(a)sin(b)
8.
Sin(a-b)=
a
Cos(a)cos(b) + sin(a)sin(b)
b
Sin(a)cos(b) + cos(a)sin(b)
c
Cos(a)cos(b) - sin(a)sin(b)
d
Sin(a)cos(b) - cos(a)sin(b)
9.
Sin(π+x)=
a
-cos(x)
b
Cos(x)
c
Sin(x)
d
-sin(x)
10.
Cos(-x)=
a
Sin(x)
b
Cos(x)
c
-cos(x)
d
-sin(x)
11.
Cos(π/2-x)
a
Cos(x)
b
-cos(x)
c
-sin(x)
d
Sin(x)
12.
Sin(π/2+x)=
a
Cos(x)
b
-sin(x)
c
-cos(x)
d
Sin(x)
13.
Sin(2a)=
a
2sin(a)-2cos(a)
b
2sin²(a)
c
2sin(a)cos(a)
d
2cos²(a)
14.
Cos²(a)=
a
(1+sin(2a))/2
b
(1-sin(2a))/2
c
(1-cos(2a))/2
d
(1+cos(2a))/2
15.
Sin(π/2-x)=
a
-sin(x)
b
Cos(x)
c
-cos(x)
d
Sin(x)
16.
Sin²(a)=
a
(1+cos(2a))/2
b
(1-cos(2a))/2
c
(1+sin(2a))/2
d
(1-sin(2a))/2
1:a
2:b
3:b
4:a
5:c
6:a
7:d
8:d
9:d
10:b
11:d
12:a
13:c
14:d
15:a
16:b
