θ
0.1 π rad
C
ı
ˊ
rculo unitario
\text{Círculo unitario}
C
ı
ˊ
rculo unitario
x
=
cos
(
0.1
π
)
x = \cos(0.1\pi)
x
=
cos
(
0
.
1
π
)
y
=
sin
(
0.1
π
)
y = \sin(0.1\pi)
y
=
sin
(
0
.
1
π
)
=
0.951
= \enspace 0.951
=
0
.
9
5
1
=
0.309
= \enspace 0.309
=
0
.
3
0
9