Question

For what values of x does the graph of f have a horizontal tangent (use n as integer variable) Enter answer as a comma separated list. f(x)=x+2sinx

Answer 1

what does bumping do?

Answer 2

@Mertsj sorry but do u mind helping me with this question?

Answer 3

Find the first derivative. When the slope function (ie, the first derivative) = 0, the tangent will be horizontal.

Answer 4

2cosx+1=0 ??

Answer 5

yes

Answer 6

\[\pi/3\] ?

Answer 7

cosine is not negative in Quadrant I

Answer 8

yeah okay but i don't understand. is it 2pi?