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the expression cos4x cos3x +

  1. The expression cos4x cos3x+ sin4x sin3x is equilvalent to?
    1. answers icon 0 answers
    2. Sally asked by Sally
    3. views icon 656 views
  2. the expression cos4x cos3x + sin4x sin3x is equivalent towhich one of the following is the answer: 1) sinx 2) sin7x 3) cosx 4)
    1. answers icon 4 answers
    2. Rony asked by Rony
    3. views icon 4,003 views
  3. lim x→0 of [2-cos3x-cos4x]/(x)
    1. answers icon 1 answer
    2. tish asked by tish
    3. views icon 1,428 views
  4. cos4x*cos3x + sin4x*sin3x
    1. answers icon 2 answers
    2. Daniel asked by Daniel
    3. views icon 1,290 views
  5. Having trouble with this problem:Rewrite the expression as an equivalent expression that does not contain powers greater than 1.
    1. answers icon 2 answers
    2. Brian asked by Brian
    3. views icon 1,492 views
  6. Prove that cos3x/cosx-cos6x/cos2x=2(cos2x-cos4x)
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    2. Joel asked by Joel
    3. views icon 1,200 views
  7. Simplify:(cosx + cos2x + cos3x + cos4x + cos5x + cos6x) / (sinx + sin2x + sin3x + sin4x + sin5x + sin6x) into a single Cotangent
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    2. Jeff asked by Jeff
    3. views icon 1,752 views
  8. 1.) How would I simplify: sin4x*cos3x -cos3x*sin3x into a single trigonometric function?2.) determine the general solution to
    1. answers icon 1 answer
    2. Leash asked by Leash
    3. views icon 946 views
  9. Prove thatcos4x=8cos^4x-8cos^2x+1 so I'm guessing you begin with the left side cos4x=cos2(2x) then im kinda lost
    1. answers icon 2 answers
    2. Natash asked by Natash
    3. views icon 1,329 views
  10. value of expression (cos5x + cos3x)/ (sin5x - sin3x) where x = (3.14/8)
    1. answers icon 1 answer
    2. jignesh asked by jignesh
    3. views icon 738 views