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derivative of sin^2
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d
dx
(
sin
2
(
x
)
)
=
sin
(
2
x
)
Show Steps
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d
dx
(
sin
2
(
x
)
)
=
sin
(
2
x
)
steps
d
dx
(
sin
2
(
x
)
)
show steps
Apply
the
chain
rule
:
2
sin
(
x
)
d
dx
(
sin
(
x
)
)
=
2
sin
(
x
)
d
dx
(
sin
(
x
)
)
show steps
d
dx
(
sin
(
x
)
)
=
cos
(
x
)
=
2
sin
(
x
)
cos
(
x
)
Use
the
Double
Angle
identity
:
2
sin
(
x
)
cos
(
x
)
=
sin
(
2
x
)
=
sin
(
2
x
)
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