[" 30.If "A=(41 pi)/(12)" ,then what is the "],[" value of "(1-3tan^(2)A)/(3tan A-tan^(3)A)?]

If A=(41pi)/(12) , then what is the value of (1-3tan^(2)A)/(3tanA-tan^(3)A) ?

What is the principal value of tan^(-1)(tan((2 pi)/(3)))

Find the value of tan^(-1)(tan'(2pi)/(3)) .

Find the value of tan^(-1)(tan'(2pi)/(3)) .

Find the value of tan^(-1)("tan"(2pi)/3) .

Find the value of tan^(-1)((tan(3 pi))/(4))

If sec^(2)theta-sectheta=1 , then what is the value of (tan^(12)theta-3tan^(10)theta+3tan^(8)theta-tan^(6)theta) ?

Find the value of tan^(-1)(tan""(3pi)/(4))