Calculate ∫0π/2sin(θ)ecos(θ)dθ\int_{0}^{\pi/2} \sin(\theta) e^{\cos(\theta)} d\theta∫0π/2sin(θ)ecos(θ)dθ.
e−1e-1e−1
1−e1-e1−e
eee
1/e1/e1/e