Trig Help - Need Help Verifying This Identity!

  • Thread starter dec1ble
  • Start date
  • #1
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im trying to verify this identity - sin x + tan x / 1 + cos x = tan x - i get lost very easily and need the steps - can anyone help me? :yuck:
 

Answers and Replies

  • #2
StatusX
Homework Helper
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multiply by cos(x)/cos(x)
 
  • #3
16
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hmm - can you simplify any of it for me in steps?
 
  • #4
StatusX
Homework Helper
2,571
2
[tex] \frac{sin x + tan x}{1+cos x} [/tex]

[tex] \frac{(sin x + tan x)(cos x)}{(1+cos x) (cos x)} [/tex]

[tex] \frac{sin x \cdot cos x + sin x}{cos x (1+cos x)} [/tex]

can you take it from here?
 

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