What is the integral of ((cos(x))/x) ?

The integral of ((cos(x))/x) is \Ci(x)+C

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integral of ((cos(x))/x)

\int (\frac{cos ( x )}{x}) d x

Ci (x) + C

Solution steps

\int \frac{cos ( x )}{x} d x

Use the nonelementary integral:

\int \frac{cos ( x )}{x} d x = Ci (x)

= Ci (x)

Add a constant to the solution

= Ci (x) + C

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