Verify trigonometric identity

  • Thread starter louie3006
  • Start date
  • #1
54
0

Homework Statement


tanX+tan Y / 1-tanXtanY= cotX+cotY/cotXcotY-1


Homework Equations



tan= sin/cos
cot= cos/sin

The Attempt at a Solution

 

Answers and Replies

  • #2
53
0
Attempt at a solution?

Try substituting those equations into your problem. Where does that get you?
 

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