Engenharia

Determine o valor da integral
<img src="https://latex.codecogs.com/gif.latex?%5Cint_%7B0%7D%5E%7B%5Cpi%20/2%7D%20%5Cfrac%7Bsen%28x%29%7D%7B2%7D%5C%2C%20dx" alt="\\int_{0}^{\\pi /2} \\frac{sen(x)}{2}\\, dx">.

Questão

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