Find the exact value of `tan^2(pi/16)+tan^2((3pi)/16) + tan^2((5pi)/16)+ tan^2((7pi)/16)`

tan^2 (pi/16) + tan^2 ((2pi)/16) + tan^2((3pi)/16).........+tan^2((7pi)/16/)=35

Find the value and tan (pi/16) tan ((3pi)/16) tan((5pi)/16)tan((7pi)/16) .

Find the exact value of tan^(2)((pi)/(16))+tan^(2)((3 pi)/(16))+tan^(2)((5 pi)/(16))+tan^(2)((7 pi)/(16))

tan^2 ((pi)/16) + tan^2 ((2pi)/16) + tan^2((3pi)/16).........+tan^2((7pi)/16 )=35

tan^2 ((pi)/16) + tan^2 ((2pi)/16) + tan^2((3pi)/16).........+tan^2((7pi)/16 )'=35

Find the value of sin^2(pi/16)+ sin^2 ((3pi)/16)+sin^2 ((5pi)/16)+sin^2((7pi)/16) .

Find the exact value of the expression tan(pi/20)-tan((3pi)/20)+tan((5pi)/20)-tan((7pi)/20)+tan((9pi)/20).

Find the exact value of the expression tan(pi/20)-tan((3pi)/20)+tan((5pi)/20)-tan((7pi)/20)+tan((9pi)/20).

Find the value of cos^2(pi/(16))+cos^2((3pi)/(16))+cos^2((5pi)/(16))+cos^2((7pi)/(16))dot

Find the Value of (tan pi)/(16)