Hello, Twig!

The goal is to find the angle that gives the largest area.

I have an area expression:

.where is a constant.

If the derivative below is wrong, let me know. I did use some trig identities.

. This is correct, but . . .

So basically, how do I find the the gives a maxima?

Our equation was: .

Multiply by

Replace with

. . And we have: . . . . a quadratic in

Quadratic Formula: .

We find that: . . has no real solutions.

And that: .

. . Therefore: .