Evaluate `cos 48^(@) cos 42^(@) - sin48^(@) sin 42^(@)`

Evaluate : cos 48^(@) - sin 42^(@)

Evaluate : cos 48^@-sin 42^@

Evaluate: cos48^(@)-sin42^(@)

The value of cos48^(@)cos42^(2)-sin48^(@)sin42^(@) is:

Evalute (c ) cos48^(@)-sin42^(@)

Evaluate: (iii) cos 48^(@)-sin 42^(@)

Evaluate: i) sin48^(@)cos42^(@)+cos48^(@)sin42^(@) ii) cos72^(@)cos12^(@)+sin72^(@)sin12^(@) ii) cos72^(@)cos12^(@)+sin72^(@)sin12^(@) iii) (tan100^(@)+tan35^(@))/(1-tan100^(@)tan35^(@)) iv) sinAcos(A-B)-cosAsin(A-B)

Evaluate: i) sin48^(@)cos42^(@)+cos48^(@)sin42^(@) ii) cos72^(@)cos12^(@)+sin72^(@)sin12^(@) ii) cos72^(@)cos12^(@)+sin72^(@)sin12^(@) iii) (tan100^(@)+tan35^(@))/(1-tan100^(@)tan35^(@)) iv) sinAcos(A-B)-cosAsin(A-B)

Evaluate : cos48^@-sin42^@ .

Evaluate : cos48^@-sin42^@ .