`cos^(-1)cos((2 pi)/(3))`

The value of cos[(1)/(2)cos^(-1)cos((14 pi)/(5))]is(a)cos((2 pi)/(5))(b)cos(-(7 pi)/(5))(c)sin((pi)/(10))(d)-cos((3 pi)/(5))

cos^(-1)cos((3 pi)/(2))=cos^(-1)(0)=(pi)/(2)

cos^(-1)cos((3 pi)/(2))=cos^(-1)(0)=(pi)/(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))]

Find the value of sin^(-1)("sin"(2pi)/(3))+cos^(-1)("cos"(4pi)/(3))

Evaluate the following: sin^(-1)(sin(pi)/(4)) (ii) cos^(-1)(cos2(pi)/(3))tan^(-1)(tan(pi)/(3))

Find the value of: i) sin^(-1)(sinpi/3) ii) cos^(-1)(cos(2pi)/3)) , iii) tan^(-1)(tanpi/4)

The value of cos^(-1)(cos((pi)/(2)))+cos^(-1)(sin((2pi)/(3))) is

cos^(-1)(cos(5 pi/(3))+sin^(-1)(cos(5 pi/(3))=

The value of cos^(-1)(cot((pi)/(2)))+cos^(-1)(sin((2pi)/(3))) is