Select addition formula:
cos
(
x
+
a
)
cos
(
x
+
a
)
cos
(
x
−
a
)
2
4
6
−2
−4
−6
1
2
3
−1
−2
−3
−4
0,0
–
o
+
←
↓
↑
→
−
2
π
−
3
π
2
−
π
−
π
2
π
2
π
3
π
2
2
π
y
=
cos
(
x
+
a
)
a = 0.00
=
0.00
π
=
cos
(
x
0.00
)
y
=
cos
(
x
+
a
)
y
=
sin
(
x
)
y
=
cos
(
x
)
y
=
sin
(
x
)
sin
(
a
)
y
=
cos
(
x
)
cos
(
a
)
x = 0.79
=
0.25
π
0.706
=
cos
(
x
)
1.000
=
cos
(
a
)
0.706
=
cos
(
x
)
cos
(
a
)
0.708
=
sin
(
x
)
−
0.003
=
sin
(
a
)
−
0.002
=
sin
(
x
)
sin
(
a
)
0.708
=
cos
(
x
+
a
)