- #1

nejnadusho

- 31

- 0

## Homework Statement

Find all points on the graph of the function at which the tangent line is horizontal.

f(x) = 2sinx + (sinx)^2

## Homework Equations

Hi guys I have an issue. I do not know how to approach this problem.

I know the chain rule but I still do not know how to solve the prolem.

Thank you for your help.