1 / | | 5 2 | cos (2*t)*sin (2*t) dt | / 0
Integral(cos(2*t)^5*sin(2*t)^2, (t, 0, 1))
Rewrite the integrand:
There are multiple ways to do this integral.
Let .
Then let and substitute :
Integrate term-by-term:
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
The result is:
Now substitute back in:
Rewrite the integrand:
Integrate term-by-term:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
The integral of a constant times a function is the constant times the integral of the function:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
So, the result is:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
The result is:
Rewrite the integrand:
Integrate term-by-term:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
The integral of a constant times a function is the constant times the integral of the function:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
So, the result is:
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
Now substitute back in:
The result is:
Add the constant of integration:
The answer is:
/ | 5 3 7 | 5 2 sin (2*t) sin (2*t) sin (2*t) | cos (2*t)*sin (2*t) dt = C - --------- + --------- + --------- | 5 6 14 /
5 3 7
sin (2) sin (2) sin (2)
- ------- + ------- + -------
5 6 14
=
5 3 7
sin (2) sin (2) sin (2)
- ------- + ------- + -------
5 6 14
-sin(2)^5/5 + sin(2)^3/6 + sin(2)^7/14
Use the examples entering the upper and lower limits of integration.