2 cos x+5 sin x+4sec x find value of dy/dx
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Answered by
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d
d
x
(
4
sec
x
sin
x
+
cos
e
c
x
cos
x
−
5
tan
x
cot
x
)
=
d
d
x
(
4
sin
x
cos
x
+
cos
x
sin
x
−
5
.
tan
x
.
1
tan
x
)
=
4
d
d
x
(
tan
x
)
+
d
d
x
(
cot
x
)
−
d
D
x
(
5
)
=
4
sec
2
x
−
cos
e
c
2
x
−
0
=
(
5
sec
2
x
−
cos
e
c
2
x
)
Answered by
0
Answer:
2 cos x+5 sin x+4sec x find value of dy/dx
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