Ask a New Question
Menu

Verify Identity:

cos5x-cos3x=-8sin^2x(2cos^3x-cosx)

1 answer

Nevermind, figured it out myself....
Similar Questions
  1. Verify the identity:tanx(cos2x) = sin2x - tanx Left Side = (sinx/cosx)(2cos^2 x -1) =sinx(2cos^2 x - 1)/cosx Right Side = 2sinx
    1. answers icon 0 answers
  2. i have a few questionscosx + cosx =2secx ----- ----- 1+sinx 1-sinx cos(x-B)-cos(x-B) = 2sinxsinB csc2x= 1 secx cscx --- 2 cotx=
    1. answers icon 4 answers
  3. Verify the following identity.1) sin(x+y) __________ = tanx+tany cosxcosy 2) Write cos3x in terms of cosx I cannot figure out
    1. answers icon 0 answers
    1. answers icon 0 answers
more similar questions