2tan^2x-tanx-1=0 0

  1. 2tan^2x-tanx-1=00<x<2pi •MATH - Steve, Thursday, July 18, 2013 at 11:48am (2tanx+1)(tanx-1) = 0 tanx = -1/2 or 1 ... Recall in
    1. answers icon 5 answers
    2. ROBIN asked by ROBIN
    3. views icon 650 views
  2. 2tan^2x-tanx-1=00<x<2pi
    1. answers icon 1 answer
    2. ROBIN asked by ROBIN
    3. views icon 590 views
  3. Verify the following:1. cos x/(1-sinx)= sec x + tan x 2. (tanx+1)^2=sec^2x + 2tan x 3. csc x = )cot x + tan x)/sec x 4. sin2x -
    1. answers icon 1 answer
    2. Trevor asked by Trevor
    3. views icon 815 views
  4. 2tan^-1(tanx/2×tan(π/4-y/2))=tan^-1(sinx×siny/cosx+cosy)
    1. answers icon 1 answer
    2. Mansi asked by Mansi
    3. views icon 597 views
  5. Prove the following trigonometric identities. please give a detailed answer because I don't understand this at all.a.
    1. answers icon 2 answers
    2. Jessy asked by Jessy
    3. views icon 1,100 views
  6. For this question, they want me to use fundamental trig identities to simplify the expression. The problem is as follows;
    1. answers icon 5 answers
    2. CodyJinks asked by CodyJinks
    3. views icon 821 views
  7. Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx.I don't know what i'm supposed to
    1. answers icon 0 answers
    2. Marrion asked by Marrion
    3. views icon 745 views
  8. Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx.I don't know what i'm supposed to
    1. answers icon 1 answer
    2. Marrion asked by Marrion
    3. views icon 745 views
  9. Perform the addition or subtraction.tanx - sec^2x/tanx tan^2(x)/tan(x) - sec^2x/tanx = tan^2x sec^2x / tanx then I use the
    1. answers icon 1 answer
    2. Hannah asked by Hannah
    3. views icon 829 views
  10. Complete the following identity secx-1/secx=? I have four multiple choice options and can't seem to work my way to either one.
    1. answers icon 3 answers
    2. Anne asked by Anne
    3. views icon 810 views