[(-4)/(3)sqrt(3)],[(3cos55^(@))/(7sin35^(@)),(4ccos70^(@)cosec20^(@))/(7)(sin5^(@)tan25^(@)fan25^(@)],[san65^(@)sin85^(@)]

Evaluate : ( 1 ) cosec (65° +theta) -sec (25° - theta) - tan (55° + theta) + cot (35° - theta) (2) (3cos55^(@))/(7sin35^(@))-(4(cos70^(@)cosec20^(@)))/(7(tan5^(@)tan25^(@)tan45^(@)tan65^(@)tan85^(@)))

Evaluate :(3cos55^(0))/(7sin35^(@))-(4(cos70^(0)cos ec20^(0))/(7(tan5^(0)tan25^(0)tan45^(@)tan65^(@)tan85^(@)))

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

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

(cos20^(@)-sin20^(@))/(cos20^(@)+sin20^(@))=tan25^(@)

Evaluate the ((3 cos 43^(@))/(sin 47^(@)))^(2) - (cos 37^(@) "cosec" 53^(@))/(tan 5^(@) tan 25^(@) tan 45^(@) tan 65^(@) tan 85^(@))

Evaluate : 2((cos65^(@))/(sin25^(@)))-(tan20^(@))/(cot70^(@))-sin90^(@)+tan5^(@)tan35^(@)tan60^(@)tan55^(@)tan85^(@)

Evaluate : 2((cos65^(@))/(sin25^(@)))-(tan20^(@))/(cot70^(@))-sin90^(@)+tan5^(@)tan35^(@)tan60^(@)tan55^(@)tan85^(@)

Evalute (g) sec70^(@)sin20^(@)-cos70^(@)cosec20^(@)