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general solution 1-cos2x/4cos(90)

  1. general solution 1-cos2x/4cos(90)
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    2. lebo asked by lebo
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  2. Determine the general solution of4cos^2x+2sinxcosx-1=0
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    2. Samkelo asked by Samkelo
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  3. Find the general solution of cos2x + 3 sin x =2
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    2. tanya asked by tanya
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  4. Find the general solution for x if cos2x + sin3x = sinx
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    2. Tiana asked by Tiana
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  5. Solve the equation of the interval (0, 2pi)cosx=sinx I squared both sides to get :cos²x=sin²x Then using tri indentites I came
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    2. Brian asked by Brian
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  6. a) Express f(theta) = 4cos theta - 6sin theta in the form r cos(theta + alpha)b) Hence find the general solution of the equation
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    2. Becky asked by Becky
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  7. Solve identity,(1-sin2x)/cos2x = cos2x/(1+sin2x) I tried starting from the right side, RS: =(cos²x-sin²x)/(1+2sinxcosx)
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    2. sh asked by sh
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  8. Prove:cos4x = 8cos^4x - 8cos^2x + 1 My Attempt: RS: = 4cos^2x (2cos^2x - 1) + 1 = 4 cos^2x (cos2x) + 1 LS: = cos2(2x) =
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    2. Anonymous asked by Anonymous
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  9. Solve each equation , then write the general solutioncos(pi/2(x+1))=cospi/2 x x=1.5, 3.5 general solution: 1/2+4n but the back
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    2. sh asked by sh
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  10. Find all solutions to the equation in the interval [0, 2pi)cos4x-cos2x=0 So,this is what i've done so far: cos4x-cos2x=0
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    2. Maria asked by Maria
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