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

Write the value of cos^(-1)(cos(5pi/4)) .

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))]

Consider the following two statements P and Q. P: cos^(-1)(cos.(4pi)/(3))=(4pi)/(3) Q:sec^(2)(cot^(-1).(1)/(2))+"cosec"^(2)(tan^(-1).(1)/(3))=15 Then, which of the following true?

Evaluate each of the following: (i) cos^(-1)(cos((13pi)/6)) (ii) cos^(-1)(cos3) (iii) cos^(-1)(cos4)

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)

Find the principal value of the following (i) cos^(-1) (cos 3) (ii) cos^(-1) (cos 4) (iii) cos^(-1) (cos 15) (iv) cos^(-1) (cos 30) (v) cos^(-1) (cos 50) (vi) cos^(-1) (cos.(48pi)/(7))

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

The value of cos^(-1)(cos'(14pi)/(3)) is "…….."

The value of cos^(-1)(cos (14pi)/(3)) is

4. cos^-1(cos((7pi)/4)) is equals to: