1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Trig Help - Need Help Verifying This Identity!

  1. Nov 16, 2004 #1
    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:
     
  2. jcsd
  3. Nov 16, 2004 #2

    StatusX

    User Avatar
    Homework Helper

    multiply by cos(x)/cos(x)
     
  4. Nov 16, 2004 #3
    hmm - can you simplify any of it for me in steps?
     
  5. Nov 17, 2004 #4

    StatusX

    User Avatar
    Homework Helper

    [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?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Trig Help - Need Help Verifying This Identity!
  1. Trig help (Replies: 4)

  2. Trig identity help (Replies: 1)

Loading...