2cos^2Beta-Cosbeta=0 (find all solutions for

  1. 2cos^2Beta-Cosbeta=0 (find all solutions for the equation in the interval 0, 2 pi). I have no idea how to go about doing this.
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    2. Janie asked by Janie
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  2. Find all solutions on the interval [0.2pi)A) -3sin(t)=15cos(t)sin(t) I have no clue... b) 8cos^2(t)=3-2cos(t) All i did was move
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    2. Dan asked by Dan
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  3. cosA= 5/9 find cos1/2Aare you familiar with the half-angle formulas? the one I would use here is cos A = 2cos^2 (1/2)A - 1 5/9 +
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    2. Anonymous asked by Anonymous
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  4. Find all solutions to the following equation on the interval 0<=x<=2PI8cos^2(X)sin^2(X) + 2cos^2(X) - 3 = 0 There are 8
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    2. Bryan asked by Bryan
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  5. how can i find all the exact solutions to the equation : 2cos^2x + 3sinx = 3the solutions have to be between [0,2pi)
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    2. Joe asked by Joe
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  6. 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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  7. Find all solutions to the equation.Cos^2(x)+2cos(x)+1=0
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    2. Romeo asked by Romeo
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  8. Find all solutions to the equation 1 = 2cos θ.
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    2. TeeKay asked by TeeKay
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  9. Find all solutions on the interval (0,2pi):2-2cos^2=sinx+1
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    2. Help needed! asked by Help needed!
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  10. find the general solutions to the equations:1) sec x = -2 2) 2 sin^2 x = 1 3) cos^2 x - 2cos x + 1 = 0
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    2. jenny asked by jenny
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