6sin²(Θ)=7-5cosΘ
=> 6(1-cos²(Θ)) = 7-5cosΘ
=> 6cos²(Θ)-5cosΘ+1=0
=> (3cosΘ-1)(2cosΘ-1)
cosΘ = 1/3 => Θ= 360n +/- 70.5*
cosΘ = 1/2 => Θ= 360n +/- 60*
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6sin²(Θ)=7-5cosΘ
=> 6(1-cos²(Θ)) = 7-5cosΘ
=> 6cos²(Θ)-5cosΘ+1=0
=> (3cosΘ-1)(2cosΘ-1)
cosΘ = 1/3 => Θ= 360n +/- 70.5*
cosΘ = 1/2 => Θ= 360n +/- 60*