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

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

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))

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

sin^(-1)(cos((5pi)/4)) is equal to

sin^(-1)(cos((5pi)/4)) is equal to

COS (tan ^ (-1) (3) / (4)); cos ^ (-1) (cos5 (pi) / (4))

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