" Value of "(3+cot80^(@)cot20^(@))/(cot80^(@)+cot20^(@))" is equal to "

Value of ( 3 + cot 80^(@) cot 20^(@))/(cot 80^(@) cot 20 ^(@)) is equal to

Value of (3 + cot 80^(@) cot 20^(@))/( cot 80^(@) cot 20 ^(@))

The value of (cot84^(@)cot48^(@))/(cot66^(@)cot78^(@)) is equal to

The value of (cot84^(@)cot48^(@))/(cot66^(@)cot78^(@)) is equal to

The value of (cot84^(@)cot48^(@))/(cot66^(@)cot78^(@)) is equal to

The value of (3+cot76^(@)cot16^(@))/(cot76^(@)+cot16^(@)) is

cot10^(@)cot20^(@)cot60^(@)cot70^(@)cot80^(@)=

Value of (3+cot80^0cot20^0)/(cot80^0+cot20^0) is equal to (a) cot20^0 (b) tan50^0 (c) cot50^0 (d) cotsqrt(20^0)