Trig Identity Simplification

  • Thread starter Burjam
  • Start date
  • #1
Burjam
52
1

Homework Statement



Simplify the following:

(1/cos2θ) - (1/cot2θ)


Homework Equations



Various trig identities

The Attempt at a Solution



I tried to make cos2θ into 1-sin2θ and cot2θ into csc2θ-1 but still couldn't find any obvious solution. Help?
 

Answers and Replies

  • #2
micromass
Staff Emeritus
Science Advisor
Homework Helper
Insights Author
22,178
3,316
What do you get if you express cot as something using sines and cosines?? What if you then add up the fractions?
 
  • #3
Millennial
296
0
Did you try simply inverting both fractions? Does that show similarity to a trigonometric identity that you know?
 

Suggested for: Trig Identity Simplification

  • Last Post
Replies
17
Views
723
Replies
1
Views
477
  • Last Post
Replies
3
Views
259
Replies
5
Views
415
  • Last Post
2
Replies
55
Views
3K
Replies
2
Views
580
  • Last Post
2
Replies
57
Views
958
  • Last Post
Replies
2
Views
699
Replies
22
Views
2K
Top