Definite Integral Help

[sterile warren]

I need help evaluating this integral I don't know how to start, could U sub. help me with this problem?

[robust oasis]

1. Wait patiently for a helper to come along.
2. Once someone helps you, say thank you and close the thread with:

+close

3. Feel free to nominate the person for helper of the week in #helper-nominations

[calm obsidian]

Consider $\int_{-\frac{\pi}{2}}^0$ of this function and $\int_{0}^{\frac{\pi}{2}} of this function$

[low moth]

r•eⁱˣ = r•cos(x) + ri•sin(x)

[calm obsidian]

Can you prove that the second integral is the negative of the first one

(Look at sin)

[fading phoenix]

if you observe, the function is an odd function
that means f(-x) = -f(x)

and for an odd function f(x),

[low moth]

diviirockgod6