Prove that tan(pi/16)+2tan(pi/8)+4=cot(pi/6) .

Find the Values of sin (pi/8) ,cos (pi/ 8) ,sec (pi/8) ,cosec (pi/8) ,tan (pi/8) and Cot (pi/8)

Prove that tan(pi/16)+2tan(pi/8)+4=cot (pi/16) .

Prove that tan(pi/16)+2tan(pi/8)+4=cot (pi/16) .

Prove that tan(pi/16)+2tan(pi/8)+4=cot (pi/16) .

Prove that "cot"(pi)/(8)"cot"(3pi)/(8)"cot"(5pi)/(8)"cot"(7pi)/(8)=1.

int_0^pi||sinx|-|cosx||dx is equal to (a) tan((3pi)/8) (b) tan(pi/8) (c) 4 tan(pi/8) (d) 2 tan((3pi)/8)

If y=(x^4-x^2+1)/(x^2+sqrt(3)x+1)a n d(dy)/(dx)=a x+b , then the value of a+b is (a) cot(pi/8) (b) cot(pi/12) (c) tan((5pi)/12) (d) tan((5pi)/8)

Prove that cot((pi)/8) - tan((pi)/8) = 2

Prove that int_(pi/8)^(3 pi/8)(tan^(2)x backslash dx)/(tan^(2)x+cot^(2)x)=(pi)/(8)