s_(n^(2))160^(@)+sin^(2)140^(@)+sin^(2)100^(@)=

sin^(2) 20^(@) + sin^(2) 100^@ + sin^(2) 140^(@) =

sin ^ (2) 160 ^ (@) + sin ^ (2) 140 ^ (@) + sin ^ (2) 100 ^ (@) =

sin^(2)20^(@)+cos^(2)160^(@)-tan^(2)45^(@) =__________

sin 40^(@) - sin 80^(@)+ sin 160^(@) =

sin100^(@)sqrt(1+cot^(2)100^(@)) =

sqrt(1-sin^(2)100^(@))*sec 100^(@)=

(sqrt(1-sin^(2)100^(@)))sec100^(@)=

Sin40^(@) - Sin80^(@) + Sin160^(@) =

" If "sin^(2)1^(0)*sin^(2)3^(0)*sin^(2)5^(0)......sin^(2)89^(0)=m^(n)." Then "|m-n|=

If quad cos^(2)((3 pi)/(8)+theta)-sin^(2)((pi)/(8)-theta),b=sin(290^(@)-theta)cos(160^(@)+theta)+cos(290^(@)-theta)sin(160 and c=os200^(@)cos160^(@)-sin200^(@)sin160^(@) then find the value of a+b+c