(sqrt(sin^(4)(37.5^(@))+4cos^(2)(37.5^(@)))+)/(sqrt(cos^(4)(37.5^(@))+4sin^(2)(37.5)^(@)))

cos^(2)(97.5^(@))-sin^(2)(37.5^(@)) is equal to-

" The value of ((sin17^(@))(cos13^(@))+(cos17^(@))(sin13^(@)))/((cos23^(@))(cos37^(@))-(sin157^(@))(sin37^(@))) is equal to

The value of cos(127.5^(@))*cos(7.5^(@))-cos(37.5^(@)).sin(187.5^(@)) is

4sin23^(@)sin37^(@)sin83^(@)=

cos51^(@)-sin39^(@)+sin37^(@)-cos53^(@)=?

The value of the ,, sin ^ (2) 37 ^ (@), sin ^ (2) 53 ^ (@), - tan ^ (2) 225 ^ (@) sin ^ (2) 53 ^ (@), -tan ^ (2) 135 ^ (@), sin ^ (2) 37 ^ (@) - tan ^ (2) 315 ^ (@), sin ^ (2) 37 ^ (@), sin ^ (2) 53 ^ (@)] | is

Find the value of cos^(2)37(1^(@))/(2)-sin^(2)37(1^(@))/(2)

If alpha=sin(sin^(-1)( 1/sqrt3)/(3)),beta=cos(cos^(-1)((1)/(sqrt(5)))-sin^(-1)((2)/(sqrt(5)))) then (beta^(2))/((3 alpha-4a^(3))^(2)) is

The value of (cos53^(@)-sin37^(@)) is

4backslash sin23^(@)sin37^(@)sin83^(@)=