" (i) "tan((11 pi)/(12))

tan((11pi)/12)

Evaluate(i) cos 36^(@) (ii) tan((13pi)/(12))

tan((pi)/(24))tan((3 pi)/(24))tan((5 pi)/(24))tan((7 pi)/(24))tan((9 pi)/ (24))tan((11 pi)/(24))tan((16 pi)/(24))

Prove that tan ((pi) / (12)) * tan (5 (pi) / (12)) * tan (7 (pi) / (12)) * tan (11 (pi) / (12)) = 1

Prove: (ii) tan ((pi)/12) tan ((5 pi)/12) tan ((7 pi)/12) tan ((11 pi)/12) = 1

Prove that tan (pi/12)tan((5pi)/12)tan ((7pi)/12)tan((11pi)/12)=1

Prove that tan((pi)/(12))+tan((pi)/(6))+tan((pi)/(12))tan((pi)/(6))=1

cos ((5pi)/(4)) - sin ((5pi)/(4)) + tan((11pi)/(4)) - cot((11pi)/(4))=

The value of sum_(k=1)^(13)tan((k pi)/(12))tan(((k-1)pi)/(12)) is

What is tan((pi)/(12)) equal to ?