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sin^5x/cosx

Integral of sin^5x/cosx dx

Limits of integration:

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The graph:

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Piecewise:

The solution

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  1           
  /           
 |            
 |     5      
 |  sin (x)   
 |  ------- dx
 |   cos(x)   
 |            
/             
0             
$$\int\limits_{0}^{1} \frac{\sin^{5}{\left(x \right)}}{\cos{\left(x \right)}}\, dx$$
Integral(sin(x)^5/cos(x), (x, 0, 1))
Detail solution
  1. Rewrite the integrand:

  2. There are multiple ways to do this integral.

    Method #1

    1. Let .

      Then let and substitute :

      1. The integral of a constant times a function is the constant times the integral of the function:

        1. Rewrite the integrand:

        2. Integrate term-by-term:

          1. The integral of is when :

          1. The integral of a constant is the constant times the variable of integration:

          1. The integral of is .

          The result is:

        So, the result is:

      Now substitute back in:

    Method #2

    1. Rewrite the integrand:

    2. Let .

      Then let and substitute :

      1. The integral of a constant times a function is the constant times the integral of the function:

        1. Let .

          Then let and substitute :

          1. The integral of a constant times a function is the constant times the integral of the function:

            1. Rewrite the integrand:

            2. Integrate term-by-term:

              1. The integral of is when :

              1. The integral of a constant is the constant times the variable of integration:

              1. The integral of is .

              The result is:

            So, the result is:

          Now substitute back in:

        So, the result is:

      Now substitute back in:

    Method #3

    1. Rewrite the integrand:

    2. Integrate term-by-term:

      1. Let .

        Then let and substitute :

        1. The integral of a constant times a function is the constant times the integral of the function:

          1. The integral of is when :

          So, the result is:

        Now substitute back in:

      1. The integral of a constant times a function is the constant times the integral of the function:

        1. Let .

          Then let and substitute :

          1. The integral of a constant times a function is the constant times the integral of the function:

            1. The integral of is when :

            So, the result is:

          Now substitute back in:

        So, the result is:

      1. Let .

        Then let and substitute :

        1. The integral of a constant times a function is the constant times the integral of the function:

          1. The integral of is .

          So, the result is:

        Now substitute back in:

      The result is:

  3. Add the constant of integration:


The answer is:

The answer (Indefinite) [src]
  /                                                 
 |                                                  
 |    5                          /   2   \      4   
 | sin (x)             2      log\cos (x)/   cos (x)
 | ------- dx = C + cos (x) - ------------ - -------
 |  cos(x)                         2            4   
 |                                                  
/                                                   
$$\int \frac{\sin^{5}{\left(x \right)}}{\cos{\left(x \right)}}\, dx = C - \frac{\log{\left(\cos^{2}{\left(x \right)} \right)}}{2} - \frac{\cos^{4}{\left(x \right)}}{4} + \cos^{2}{\left(x \right)}$$
The graph
The answer [src]
                                 4   
  3      2                    cos (1)
- - + cos (1) - log(cos(1)) - -------
  4                              4   
$$- \frac{3}{4} - \frac{\cos^{4}{\left(1 \right)}}{4} + \cos^{2}{\left(1 \right)} - \log{\left(\cos{\left(1 \right)} \right)}$$
=
=
                                 4   
  3      2                    cos (1)
- - + cos (1) - log(cos(1)) - -------
  4                              4   
$$- \frac{3}{4} - \frac{\cos^{4}{\left(1 \right)}}{4} + \cos^{2}{\left(1 \right)} - \log{\left(\cos{\left(1 \right)} \right)}$$
-3/4 + cos(1)^2 - log(cos(1)) - cos(1)^4/4
Numerical answer [src]
0.136247769832824
0.136247769832824
The graph
Integral of sin^5x/cosx dx

    Use the examples entering the upper and lower limits of integration.