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what is differntial of
cos
x
\cos x
cos
x
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Math Problems
Grade 8
Cube roots of positive and negative perfect cubes
Full solution
Q.
what is differntial of
cos
x
\cos x
cos
x
Identify function:
Identify the function to differentiate.
f
(
x
)
=
cos
x
f(x) = \cos x
f
(
x
)
=
cos
x
Recall rule:
Recall the derivative rule for cosine.
\newline
The derivative of
cos
x
\cos x
cos
x
is
−
sin
x
-\sin x
−
sin
x
.
Differentiate function:
Differentiate the function.
f
′
(
x
)
=
−
sin
x
f'(x) = -\sin x
f
′
(
x
)
=
−
sin
x
More problems from Cube roots of positive and negative perfect cubes
Question
Solve the following equation for
y
y
y
.
\newline
y
+
6
=
2
y
2
+
72
y
=
□
\begin{array}{l} y+6=\sqrt{2 y^{2}+72} \\ y=\square \end{array}
y
+
6
=
2
y
2
+
72
y
=
□
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Posted 10 months ago
Question
z
=
12.1
+
29
i
z=12.1+29 i
z
=
12.1
+
29
i
\newline
What is the real part of
z
z
z
?
\newline
What is the imaginary part of
z
z
z
?
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Posted 10 months ago
Question
z
=
−
400
i
−
44.5
z=-400 i-44.5
z
=
−
400
i
−
44.5
\newline
What is the real part of
z
z
z
?
\newline
What is the imaginary part of
z
z
z
?
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Posted 10 months ago
Question
z
=
−
91
+
14.6
i
z=-91+14.6 i
z
=
−
91
+
14.6
i
\newline
What is the real part of
z
z
z
?
\newline
What is the imaginary part of
z
z
z
?
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Posted 10 months ago
Question
z
=
44
i
+
23.3
z=44 i+23.3
z
=
44
i
+
23.3
\newline
What is the real part of
z
z
z
?
\newline
What is the imaginary part of
z
z
z
?
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Posted 10 months ago
Question
log
16
8
=
\log _{16} 8=
lo
g
16
8
=
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log
5
25
=
\log _{5} 25=
lo
g
5
25
=
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Question
log
49
7
=
\log _{49} 7=
lo
g
49
7
=
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Question
log
3
27
=
\log _{3} 27=
lo
g
3
27
=
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Question
log
7
49
=
\log _{7} 49=
lo
g
7
49
=
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Posted 10 months ago
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