Question

Trig: http://prntscr.com/4cua1l

Answer 1

Start by factoring.

Answer 2

x(x+1)

Answer 3

If x is a sub for \(sinx\) then yes, now set each equal to zero and solve:

sinx=0
and
sinx+1=0

Answer 4

From 0 to \(2\pi\) where does \(sinx=-1 ~and ~0\)?

Answer 5

thanks