`tan^(-1)(tan((12pi)/5))=?`

tan^(-1)("tan"(7pi)/(5))

tan^(-1)(tan((5 pi)/(3)))

tan^(-1)(tan^(5 pi/6))

Let tan^(-1) ( tan. (5pi)/(4))=alpha, tan^(-1) (-tan. (2pi)/(3))=beta , then

The value of the expression sin^(-1)(sin((22 pi)/7))-tan^(-1)(tan((5 pi)/7)) is

tan((11 pi)/(12))

Evaluate: tan^(-1)((tan(5 pi))/(6))+cos^(-1){cos((13 pi)/(6))}

Evaluate each of the following: tan^(-1)((tan pi)/(3))( ii) tan^(-1)((tan(6 pi))/(7))( iii) tan^(-1)((tan(7 pi))/(6))

Let theta = tan^(-1) ( tan . (5pi)/4) " and " phi = tan^(-1) ( - tan . (2pi)/3) then