What is the value of cosec `(13pi//12)`?

Compute cosec (13pi//12)

What is the value of ("cosec "(pi+theta)cot{(9pi//2-theta)}"cosec"^(2)(2pi-theta))/(cot(2pi-theta)sec^(2)(pi-theta)sec{(3pi//2)+theta})

Find the value of tan (13 pi)/(12)

Find the value of: tan((13pi)/12)

Find the value of tan 13 pi/12

Find the value of tan (13pi)/(12) .

Find the value of tan""(13pi)/(12)

Find the value of tan13pi^c/12

If tantheta=sqrt((1)/(13))and theta is acute , then what is the value of ((cosec^(2)theta-sec^(2)theta))/(cosec^(2)theta+sec^(2)theta)) ?

Find the value of tan ""(13pi)/(12).