` sin 25^@ cos 65 ^@ + cos 25 ^ @ sin 65 ^@ = ? `

cos 25^(@) - cos65^(@) =

The value of (sin (78^@+theta)-cos (12^@-theta)+(tan^2 70^@-cosec^2 20^@))/(sin 25^@ cos65^@+cos 25^@ sin65^@) is: (sin (78^@+theta)-cos (12^@-theta)+(tan^2 70^@-cosec^2 20^@))/(sin 25^@ cos65^@+cos 25^@ sin65^@) का मान ज्ञात करें |

Evaluate :- sin25^@cos65^@+cos25^@sin65^@ .

The value of ((sin(78^circ +θ) - cos (12^circ +θ) +(tan^(2)70^circ - cosec^(2)20^circ))/ (sin 25^circ cos 65^circ + cos 25^circ sin 65^circ) is: ((sin(78^circ +θ) - cos (12^circ +θ) +(tan^(2)70^circ - cosec^(2)20^circ))/ (sin 25^circ cos 65^circ + cos 25^circ sin 65^circ) का मान है :

Prove: (i) sin 45^(@) cos 65^(@) + sin 135^(@) cos 115^(@) = 0

Evaluate : sin25^(@)cos65^(@)+cos25^(@)sin65^(@)

The value of (sin(78^@+theta)-cos(12^@-theta)+ (tan^2 70^@-cosec^2 20^@))/(sin25^@ cos65^@+ cos25^@ sin65^@) is:

((cos 9^@+sin 81^@)(sec 9^@+ cosec 81^@))/(sin 56^@ sec 34^@+ cos 25^@ cosec 65^@) =?