The value of
`tan 57^(@) - tan 12^(@) - tan 57^(@) tan 12^(@)` is

The value of tan 7^(@) tan 23^(@) tan39^(@) tan 60^(@) tan 51^(@) tan 67^(@) tan 83^(@) is

What is the value of the following? tan 31^(@) tan 33^(@) tan 35^(@) …..tan57^(@) tan 59^(@)

The value of ((tan35^(@))/(cot55^(@))+(cot78^(@))/(tan12^(@))) is

What is the value of ( cosec (78^(@) - theta) - sec ( 12^(@) + theta) - tan (67^(@) + theta) + cot (23^(@) - theta) )/( tan 13^(@) tan 37^(@) tan 45^(@) tan 53^(@) tan 77^(@) ) ?

The value of tan((5pi)/12)-tan(pi/12) is

The value of tan((5pi)/12)-tan(pi/12) is

Evaluate : 2 (tan 57^(@))/(cot 33^(@))-(cot 70^(@))/(tan 20^(@))-sqrt(2)cos 45^(@)

Evaluate : 2 (tan 57^(@))/(cot 33^(@))-(cot 70^(@))/(tan 20^(@))-sqrt(2)cos 45^(@)