" (v) "cos1^(@)*cos2^(@)*...*cos180^(@)quad " (vi) "((sin27)/(cos6)

cos1^@+cos2^@+cos3^@+...+cos180^@=

cos57^(@)+sin27^(@)=

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

The value of cos1^(@)cos2^(@)cos3^(@)…cos180^(@) is

The value of cos1^@cos2^@cos3^@....cos180^@ is

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

cos 1^(@)cos2^(@) cos3^(@) ..... cos 180^(@) .......

cos1+cos2+cos3+...+cos180

Evaluate the following: (i) (cot40^@)/(tan50^@)-1/2((cos35^@)/(sin55^@)) (ii) ((sin27^@)/(cos63^@))^2-((cos63^@)/(sin27^@))^2