What is the trigonometric identity used to simplify this expression?

  • Thread starter cocopops12
  • Start date
  • #1
30
0
2ut1ag9.png


Could anyone please tell me how are those two expressions equivalent?! what are the identities used?
 

Answers and Replies

  • #2
Office_Shredder
Staff Emeritus
Science Advisor
Gold Member
4,552
587
It's not a trig identity

[tex] \frac{1}{1-\sin z} = \frac{1+\sin z}{1+\sin z} \frac{1}{1-\sin z} = \frac{1+\sin z}{1-\sin^2 z} [/tex]
 

Related Threads on What is the trigonometric identity used to simplify this expression?

  • Last Post
Replies
2
Views
668
  • Last Post
Replies
7
Views
1K
  • Last Post
Replies
3
Views
1K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
1
Views
1K
  • Last Post
Replies
7
Views
3K
  • Last Post
Replies
2
Views
1K
Replies
1
Views
1K
Replies
9
Views
5K
  • Last Post
Replies
2
Views
10K
Top