• Support PF! Buy your school textbooks, materials and every day products Here!

Horizontal Tangent Line

  • Thread starter nejnadusho
  • Start date
  • #26
275
2
its just like solving for the zero's (x-intercepts) of any polynomial equation.
how can you get 2cosx*(sinx + 1) to = 0. either cosx = 0 or sinx + 1 = 0. what values of x give you those? and here we see the 2 solutions (actually infinite solutions, but for practical purposes, 2)
 

Related Threads for: Horizontal Tangent Line

  • Last Post
Replies
8
Views
7K
  • Last Post
Replies
1
Views
2K
Replies
4
Views
8K
Replies
1
Views
5K
Replies
7
Views
3K
Replies
7
Views
5K
Replies
4
Views
12K
Replies
3
Views
8K
Top