definite-integral

Question: $\int_{0}^{\pi /2}{{{e}^{x}}\sin x\,dx=}$

1) $\frac{1}{2}({{e}^{\pi /2}}-1)$

2) $\frac{1}{2}({{e}^{\pi /2}}+1)$

3) $\frac{1}{2}(1-{{e}^{\pi /2}})$

4) $2({{e}^{\pi /2}}+1)$

Solution:

Explanation: No Explanation

Fundamental definite integration Definite integration by substitution

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