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If cos56^(0)+cos58^(0)-cos66^(0)-4cos28^...

If `cos56^(0)+cos58^(0)-cos66^(0)-4cos28^(0)-cos29^(@)sin33^(@)=lambda` then `|2 lambda|=`

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cos56^(@)+cos58^(@)-cos66^(@)-4cos28^(@)cos29^(@)sin33^(@)=

(1+cos56^(@)+cos58^(@)-cos66^(@))/(cos28^(@)cos29^(@)sin33^(@))=

If 1+cos56^(0)+cos58^(0)-cos66^(0)=k cos28^(0)cos29^(@)sin33^(@) then the value of k is

1+cos56^(@)+cos58^(@)-cos66^(@)=?

cos24^(0)+cos5^(0)+cos175^(0)+cos204^(0)+cos300^(@)

1+cos 56^0 + cos 58^0 - cos 66^0=4cos 28^0 cos 29^0 sin 33^0 .

cos48^(0)*cos12^(0)=(sqrt(5)+3)/(lambda) then lambda=

If cos48^(0)*cos12^(@)=(sqrt(5)+3)/(lambda) then lambda

cos48^(0)*cos12^(0)=(sqrt(5)+3)/(lambda) .Then lambda=

cos^(2)75^(0)+cos^(2)15^(0)-cos75^(0)cos15^(0)=