Trying to implement hill climbing to estimate the maximum value between x = [0, 10] for the following function in go:

y = sin(x)

The correct answers(s) is are (π / 2, 1) and/or (5π / 2, 1)

Run make to run the optimization:

$ make
go build -o hill.out hill.go
./hill.out
2018/04/30 18:32:41 (probable) global max for math.Sin at x = 7.854477651926955
2018/04/30 18:32:41 (probable) global max for math.Cos at x = 12.566748149871607
2018/04/30 18:32:41 (probable) global max for math.Tan at x = 10.995501257174165