`tan (19pi)/(3)` का मान निकाले [Find the vlaue of tan `(19pi)/(3)]`

Write the value of tan ((19pi)/(3))

Find the value of cos((19pi)/3)

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

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

If theta=(pi)/(8) then the value of expression (tan theta((tan pi)/(3)-(tan pi)/(6)tan^(2)theta))/(((tan pi)/(6)-(tan pi)/(3)tan^(2)theta))+(4cos^(2)theta-(tan^(2)pi)/(3))/(tan theta(4sin^(2)theta-(tan^(2)pi)/(3)))

If tan x=(4)/(3) and pi

tan^(-1)(tan\ (3pi)/(4))