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Earn +20 ptsQ: What is the exact solution to cosx equals x?
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Determine exact solution for cosx minus 0.5 equals 0?
X=60 how did you get that? could you show all the steps?
Determine exact solution for cosx - 0.5 equals 0?
cos x - 0.5 = 0 ⇒ cos x = 0.5 ⇒ x = 2nπ ± π/3
When are y equals sin x and y equals cos x equal?
y=sinx y=cosxsinx=cosx=>sinx/cosx=1=>tanx=1=>x=45oie.. y=sin45=cos45y=1/(square root of 2)
What is the exact solution to cosx equals sin2x?
CosX = Sin2x Using Trog. Identityt CosX = 2SinXCosX CosX cancels down to '1' Hence CosX/CosX = 2 SinX 1 = 2SinX SinX = 1/2 = 0.5 SinX = 0.5 X = Sin^(-1) 0,5 X = 30 degrees = pi/6 radians
What is the exact solution for x-12 equals 91-84?
x - 12 = 91 - 84x - 12 = 7x = 19
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