Trigonometric derivatives
sin
′
(
x
)
=
cos
(
x
)
cos
′
(
x
)
=
-
sin
(
x
)
Examples
sin
′
(
x
)
=
cos
(
x
)
sin
″
(
x
)
=
sin
‴
(
x
)
=
sin
(
4
)
(
x
)
=
tan
′
(
x
)
=
(
5
x
3
sin
(
x
)
)
′
=
(
cos
(
x
)
4
x
2
)
′
=