Trig Identity

  • Thread starter brandon26
  • Start date
  • #1
107
0
Prove the identity:

sinA / (1+cosA) = tan (A/2).

Im going no where with this, please help?:confused: :confused:
 

Answers and Replies

  • #2
Fermat
Homework Helper
872
1
use the double angle formula for cos2ø.
 
  • #3
107
0
Sorry I dont understand. And I am trying to apply the double angle formulae but I am just getting confused.
 
  • #4
107
0
Problem solved...No need to reply
 

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