`COS(ta n^-1 3/4); cos^-1 (co s 5 pi / 4)`

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

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

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

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

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

Prove that : sin^-1 (-4/5) = cos^-1 (-3/5) - pi

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 value of : cos^-1 cos((5pi)/4)