" (i) "cos^(-1){cos(-(pi)/(4))}

cos^(-1)(cos((5 pi)/(4)))

Evaluate each of the following: cos^(-1){cos(-(pi)/(4))}( ii) cos^(-1)((cos(5 pi))/(4)) (iii) cos^(-1)((cos(4 pi))/(3))

Find the principal values of the following : (i) sin^(-1)(sin.(5pi)/(3)) (ii) cos^(-1)cos((4pi)/(3)) (iii) cos [(pi)/(3) + cos^(-1) (-(1)/(2))]

Find the principal values of the following : (i) sin^(-1)(sin.(5pi)/(3)) (ii) cos^(-1)cos((4pi)/(3)) (iii) cos [(pi)/(3) + cos^(-1) (-(1)/(2))]

cos^(-1) (cos ((4pi)/3))

Find the value of cos^(-1)(cos((4pi)/(3)))+cos^(-1)(cos((5pi)/(4)))

Cos^(-1)("cos"(5pi)/4)=