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[" wer,out of thich ONL roNE can for the created and -1in all other coses."],[" king scheme: + "4" for correct answer,oif not attempted and - "119^(@)],[" Let "E=(1-(cos61^(0))/(cos1^(0)))(1-(cos62^(@))/(cos2^(0)))cdots(1-(cos119^(@))/(cos59^(@)))" .then "E" is equal to "],[[" 1) "(1)/(2),," 4) "(3)/(2)]]

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(1-(cos61^(@))/(cos1^(@)))(1-(cos62^(@))/(cos2^(@)))(1-(cos63^(@))/(cos3^(@)))...(1-(cos119^(@))/(cos59^(@)))

cos1^(0)cos2^(0)...cos179^(@)

Value of (1-(cos61^(0))/(cos1^(0)))*(1-(cos62^(0))/(cos2^(0)))*(1-(cos63^(0))/(cos3^(0)))*(1-(cos119^(@))/(cos59^(@)))(1-1(b)1(c)2(d)-2

Value of (1-(cos61^0)/(cos1^0))*(1-(cos62^0)/(cos2^0))*(1-(cos63^0)/(cos3^0)) .......... *(1-(cos119^0)/(cos59^0)) (a) -1 (b) 1 (c) 2 (d) -2

cos1^(0)+cos2^(0)+cos3^(0)+ . . .+cos180^(0) =

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