`(cos 20^@35')/(sin 69^@25')` is

(cos20^(@)35')/(sin69^(@)25') is

sin40^(@)35'cos19^(@)25'+cos40^(@)35'sin19^(@)25 is equal to

sin(40^@25')cos(19^@35')+cos(40^@25')sin(19^@35')=

What is the value of ((cos21^@)/(sin69^@))-((sin40^@)/(cos50^@)) ?

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

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

The value of cos 25 ^(@) – sin 25 ^(@) is

The smallest positive value of x (in degrees) for whichcos tanx=(cos5^@ cos 20^@ + cos 35^@ cos 50^@-sin 50^@ sin 20^@ - sin35^@ sin50^@)/(sin5^@ cos 20^@ - sin 35^@ cos 50^@ + cos 5^@ sin 20^@ - cos 35^@ sin 50^@) is equal to