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[cot2 theta,11." If "sqrt(sin x)+cos x=0...

[cot2 theta,11." If "sqrt(sin x)+cos x=0" then "sin x=],[" s "(5 pi)/(11)=," 1) "(sqrt(5)+1)/(2)quad " 2) "(sqrt(5)+1)/(8)quad " 3) "(sqrt(5)-1)/(8)4)(sqrt(5)-1)/(2)]

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