[(i)cos48^(@)-sin42^(@)],[(iii)cot34^(@)-tan56^(@)]

Evalute (e ) cot34^(@)-tan56^(@)

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

Without using trigonometric tables, evaluate : (i) cos 48^@-sin42^@ (ii) cosec31^@-sec59^@ (iii) cot 34^@-tan56^@ (iv) cos^2 13^@-sin^2 77^@

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)

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

cos 48^@ - sin 42 ^@ = ?

Evaluate : (i) (cos 55^(@))/(sin 35^(@)) + (cot 35^(@))/(tan 55^(@)) (ii) sin 42^(@) sin 48^(@) - cos 42^(@) cos 48^(@)

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

Find the value of 3(tan67^(@))/(cot23^(@))+(sin42^(@))/(2cos48^(@))+(5cosec61^(@))/(2sec29^(@))