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

Evaluate: sin 25^(@) cos 65^(@) + cos 25^(@) sin 65^(@) .

Evaluate: (i) (sin^2 63^@+sin^2 27^@)/(cos^2 17^@+cos^2 73^@) (ii) sin 25^@ cos 65^@+cos 25^@sin 65^@

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 |

Find the value of (sin25^(@))/(cos35^(@))-(cos25^(@))/(sin35^(@))

Prove that sin85^(@) - cos65^(@) +cos55^(@)=0

Evaluate: sin 25^@ cos 65^@ + cos 25^@ sin 65^@

2sin65^@cos25^@=

(sin 65^(@) + sin 25^(@))/( cos 65^(@) + cos 25^(@))=

Evaluate |(sin 25^(@) cos 25^(@)),(-sin 65^(@) cos 65^(@))| .

Evaluate : ((cos65^(@)sin18^(@)cos58^(@)))/((cos72^(@)sin25^(@)sin32^(@)))