`(i)(2sin81^(@))/(cos9^(@))-(tan40^(@))/(cot50^(@)) (ii)cos48^(@)-sin42^(@)` का मान ज्ञात कीजिए।

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

(sin48^(@))/(cos42^(@))+(cos48^(@))/(sin42^(@))=2

cos 48^@ - sin 42 ^@ = ?

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

((sin48^(@))/(cos42^(@)))+((cos48^(@))/(sin42^(@)))=2

Evaluate : (i) (sin18^@)/(cos72^@) (ii) (tan26^@)/(cot64^@) (iii) cos48^@-sin42^@ (iv) c o s e c 31^@sec59^@

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

(sin9^(@)-cos9^(@))/(sin48^(@)sin 12^(@))=

Evaluate : cos48^@-sin42^@ .

Evaluate : cos48^@-sin42^@ .