सिद्ध कीजिए कि -
`sqrt3cos 23^(@)-sin 23^(@)=2cos 53^(@)`

1/4(sqrt3cos23^@-sin23^@)=

1/3 (sqrt3 cos 23^(@) - sin 23^(@))=

(1)/(4)[sqrt(3)cos23^(@)-sin23^(@)]=

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

Find the value of (sqrt(3) cos 23^(@) - sin 23^(@))/(2)

1/4 (sqrt3 cos 23^(@) - sin 23^(@))= ................ A) cos 43^(@) B) cos 7^(@) C) 1/2 cos 53^(@) D) 2/3 cos 53^(@)

(1)/(4)(sqrt(3)cos23^(@)-sin23^(@)) is equal to

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