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One of the angles in the equation 2 cos squared theta equals 1 is

 Jun 7, 2015

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2cos2θ=1cos2θ=1/2cosθ=±1/2θ=450+nπ4NZ$thatmeansNisanyinteger$

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 Jun 7, 2015
 #1
avatar+118696 
+10
Best Answer

2cos2θ=1cos2θ=1/2cosθ=±1/2θ=450+nπ4NZ$thatmeansNisanyinteger$

Melody Jun 7, 2015

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