Enter a problem...
Precalculus Examples
Popular Problems
Precalculus
Verify the Identity (1+sin(2x))/(cos(2x))=(cos(x)+sin(x))/(cos(x)-sin(x))
1
+
sin
(
2
x
)
cos
(
2
x
)
=
cos
(
x
)
+
sin
(
x
)
cos
(
x
)
−
sin
(
x
)
1
+
sin
(
2
x
)
cos
(
2
x
)
=
cos
(
x
)
+
sin
(
x
)
cos
(
x
)
-
sin
(
x
)
Step 1
The provided
equation
is an
identity
.
1
+
sin
(
2
x
)
cos
(
2
x
)
=
cos
(
x
)
+
sin
(
x
)
cos
(
x
)
−
sin
(
x
)
1
+
sin
(
2
x
)
cos
(
2
x
)
=
cos
(
x
)
+
sin
(
x
)
cos
(
x
)
-
sin
(
x
)
is an
identity
Enter a problem...
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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