`sin25^@ cos65^@+cos25^@ sin65^@`

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: 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^@

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

2sin65^@cos25^@=

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

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

The value of ((cos 9^@+sin81^@)(sec9^@+ cosec81^@))/(sin56^@ sec34^@+cos25^@ cosec 65^@) is:

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

The value of sin35^o +cos65^o -cos5^o is: