1 / | | 5 | sin (x) | ------- dx | cos(x) | / 0
Integral(sin(x)^5/cos(x), (x, 0, 1))
Rewrite the integrand:
There are multiple ways to do this integral.
Let .
Then let and substitute :
The integral of a constant times a function is the constant times the integral of the function:
Rewrite the integrand:
Integrate term-by-term:
The integral of is when :
The integral of a constant is the constant times the variable of integration:
The integral of is .
The result is:
So, the result is:
Now substitute back in:
Rewrite the integrand:
Let .
Then let and substitute :
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:
Rewrite the integrand:
Integrate term-by-term:
The integral of is when :
The integral of a constant is the constant times the variable of integration:
The integral of is .
The result is:
So, the result is:
Now substitute back in:
So, 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 .
So, the result is:
Now substitute back in:
The result is:
Add the constant of integration:
The answer is:
/ | | 5 / 2 \ 4 | sin (x) 2 log\cos (x)/ cos (x) | ------- dx = C + cos (x) - ------------ - ------- | cos(x) 2 4 | /
4 3 2 cos (1) - - + cos (1) - log(cos(1)) - ------- 4 4
=
4 3 2 cos (1) - - + cos (1) - log(cos(1)) - ------- 4 4
-3/4 + cos(1)^2 - log(cos(1)) - cos(1)^4/4
Use the examples entering the upper and lower limits of integration.