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 601 views
  2. 2tan^2x-tanx-1=00<x<2pi
    1. answers icon 1 answer
    2. ROBIN asked by ROBIN
    3. views icon 549 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 764 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 546 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 1,039 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 769 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 689 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 683 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 780 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 759 views