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Precalculus Examples
Popular Problems
Precalculus
Simplify sec(x)sin(x)
sec
(
x
)
sin
(
x
)
sec
(
x
)
sin
(
x
)
Step 1
Rewrite
sec
(
x
)
sec
(
x
)
in
terms
of
sines
and
cosines
.
1
cos
(
x
)
sin
(
x
)
1
cos
(
x
)
sin
(
x
)
Step 2
Combine
1
cos
(
x
)
1
cos
(
x
)
and
sin
(
x
)
sin
(
x
)
.
sin
(
x
)
cos
(
x
)
sin
(
x
)
cos
(
x
)
Step 3
Convert from
sin
(
x
)
cos
(
x
)
sin
(
x
)
cos
(
x
)
to
tan
(
x
)
tan
(
x
)
.
tan
(
x
)
tan
(
x
)
s
e
c
(
x
)
s
i
n
(
x
)
s
e
c
(
x
)
s
i
n
(
x
)
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
7
7
8
8
9
9
≤
≤
°
°
θ
θ
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
∞
∞
,
,
0
0
.
.
%
%
=
=
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