What is the integral from 2y to 2 of cos(x^2) ?

The integral from 2y to 2 of cos(x^2) is sqrt(pi/2)\C(sqrt(2/pi)*2)-sqrt(pi/2)\C(sqrt(2/pi)*2y)

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integral from 2y to 2 of cos(x^2)

\int_{2 y}^{2} cos (x^{2}) d x

\frac{π}{2} C (\frac{2}{π} \cdot 2) - \frac{π}{2} C (\frac{2}{π} \cdot 2 y)

Solution steps

\int_{2 y}^{2} cos (x^{2}) d x

Use the nonelementary integral:

\int cos (x^{2}) d x = \frac{π}{2} C (\frac{2}{π} x)

= [\frac{π}{2} C (\frac{2}{π} x)]_{2 y}^{2}

Compute the boundaries:

\frac{π}{2} C (\frac{2}{π} \cdot 2) - \frac{π}{2} C (\frac{2}{π} \cdot 2 y)

= \frac{π}{2} C (\frac{2}{π} \cdot 2) - \frac{π}{2} C (\frac{2}{π} \cdot 2 y)

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What is the integral from 2y to 2 of cos(x^2) ?
The integral from 2y to 2 of cos(x^2) is sqrt(pi/2)\C(sqrt(2/pi)*2)-sqrt(pi/2)\C(sqrt(2/pi)*2y)