Question

Calculus min/max problem

Answer 1

\[f(x) = \cos^2(x)-2\sin(x)\] \[x \epsilon [0,2\pi]\]

Answer 2

just need a confirmation on what you got for your local max / min.

I got for my local max at x = pi/2
Local min at x = 3/2 pi

Answer 3

having contradictions with using the closed interval method and using the sign table. I am getting the exact opposit when I use either so not sure...

Answer 4

@jhonyy9

Answer 5

@julian25

Answer 6

got for my local min at x = pi/2 Local max at x = 3/2 pi

Answer 7

why u dont test ur answers making the graph