Enter a problem...
Calculus Examples
Popular Problems
Calculus
Simplify sin(pi/10)^2+cos(pi/10)^2
sin
2
(
π
10
)
+
cos
2
(
π
10
)
sin
2
(
π
10
)
+
cos
2
(
π
10
)
Step 1
Apply pythagorean
identity
.
1
1
s
i
n
2
(
π
1
0
)
+
c
o
s
2
(
π
1
0
)
s
i
n
2
(
π
1
0
)
+
c
o
s
2
(
π
1
0
)
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
∫
∫
7
7
8
8
9
9
≤
≤
°
°
θ
θ
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
∞
∞
!
!
,
,
0
0
.
.
%
%
=
=
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
Please ensure that your password is at least 8 characters and contains each of the following:
a number
a letter
a special character: @$#!%*?&