What is the integral from 1 to 2 of (cos(x))/x ?

The integral from 1 to 2 of (cos(x))/x is \Ci(2)-\Ci(1)

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integral from 1 to 2 of (cos(x))/x

\int_{1}^{2} \frac{cos ( x )}{x} d x

Ci (2) - Ci (1)

Decimal

0.0855769059

Solution steps

\int_{1}^{2} \frac{cos ( x )}{x} d x

Use the nonelementary integral:

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

= [Ci (x)]_{1}^{2}

Compute the boundaries:

Ci (2) - Ci (1)

= Ci (2) - Ci (1)

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What is the integral from 1 to 2 of (cos(x))/x ?
The integral from 1 to 2 of (cos(x))/x is \Ci(2)-\Ci(1)