Hello, Higg!
Do you know what a geometric mean is?
We want an expression such that: .
We have: .
Therefore: .
Hello again, Higg!
I have two issues with this problem.
This is what you posted.
First, what happened to the 2 ?
In the solution, they solved a different problem.
Second, it says, "in terms of sinθ only".
But their answer contains sin2θ.