$\int\cos\left(x^3\right)dx$

Step-by-step Solution

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Final answer to the problem

$\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^nx^{\left(6n+1\right)}}{\left(6n+1\right)\left(2n\right)!}+C_0$
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Step-by-step Solution

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Apply the formula: $\cos\left(x^m\right)$$=\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^n}{\left(2n\right)!}\left(x^m\right)^{2n}$, where $x^m=x^3$ and $m=3$

$\int\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^n}{\left(2n\right)!}\left(x^3\right)^{2n}dx$

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$\int\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^n}{\left(2n\right)!}\left(x^3\right)^{2n}dx$

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Learn how to solve intégrales trigonométriques problems step by step online. int(cos(x^3))dx. Apply the formula: \cos\left(x^m\right)=\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^n}{\left(2n\right)!}\left(x^m\right)^{2n}, where x^m=x^3 and m=3. Simplify \left(x^3\right)^{2n} using the power of a power property: \left(a^m\right)^n=a^{m\cdot n}. In the expression, m equals 3 and n equals 2n. Apply the formula: \int\sum_{a}^{b} cxdx=\sum_{a}^{b} c\int xdx, where a=n=0, b=\infty , c=\frac{{\left(-1\right)}^n}{\left(2n\right)!} and x=x^{6n}. Apply the formula: \int x^ndx=\frac{x^{\left(n+1\right)}}{n+1}+C, where n=6n.

Final answer to the problem

$\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^nx^{\left(6n+1\right)}}{\left(6n+1\right)\left(2n\right)!}+C_0$

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Plotting: $\sum_{n=0}^{\infty } \frac{{\left(-1\right)}^nx^{\left(6n+1\right)}}{\left(6n+1\right)\left(2n\right)!}+C_0$

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5
6
7
8
9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
2

e
π
ln
log
log
lim
d/dx
Dx
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

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