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how to solve y= 3cos2x

  1. how to solve y= 3cos2x + 5pls help me
    1. answers icon 1 answer
    2. emily asked by emily
    3. views icon 838 views
  2. Hi there,Can someone help me with the question: "Prove that the value of 7sinx +3cos2x cannot be greater than 5/1/24 for all
    1. answers icon 4 answers
    2. Joshua asked by Joshua
    3. views icon 810 views
  3. Solve for all real values of x3cos2x - 5cosx = 1
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    2. Miranda asked by Miranda
    3. views icon 1,876 views
  4. Solve 3cos2x - 7cosx = 0, when 0<=x<=360And also, find the exact values for x when 0<=x<=360 if 3tan^2x=1 Thankyou!
    1. answers icon 3 answers
    2. Rose asked by Rose
    3. views icon 2,001 views
  5. use a graphing utility to solve each equation, rounded to 2 decimal places1. x^2 - 2sin2x = 3x 2. x^2 = x + 3cos2x
    1. answers icon 1 answer
    2. KC asked by KC
    3. views icon 816 views
  6. Solve for x in the interval 0<=x<360:1. 2sin2x+cosx =0 2. cos2x=-2sinx 3. tanx=2sinx 4. 3cos2x+cosx+2=0
    1. answers icon 0 answers
    2. ` asked by `
    3. views icon 696 views
  7. 3cos2x-sinx=0
    1. answers icon 1 answer
    2. Lawal R asked by Lawal R
    3. views icon 123 views
  8. What are the solutions for 3cos2x=-3 if 0≤ x ≤ 2pi
    1. answers icon 1 answer
    2. Anonymus asked by Anonymus
    3. views icon 1,187 views
  9. 3cos2x-7cosx+5=0 0<x<360thanks
    1. answers icon 1 answer
    2. danial asked by danial
    3. views icon 739 views
  10. Find the integral of 3cos2x-2sinx
    1. answers icon 4 answers
    2. Samuel asked by Samuel
    3. views icon 753 views