`(cos^-1(cos((13pi)/6))`

Evaluate the following: cos^(-1)(cos((7pi)/6))

cos^(-1)(cos((7pi)/6)) is equal to (A) (7pi)/6 (B) (5pi)/6 (C) pi/3 (D) pi/6

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)

cos((11 pi)/(6))=

The principal value of sin^(-1)((sqrt(3))/(2))+cos^(-1)(cos((pi)/(6))) , is :

Show that sin^(- 1)(sin((33pi)/7))+cos^(- 1)(cos((46pi)/7))+tan^-1(-tan((13pi)/8))+cot^-1(cot(-(19pi)/8))=(13pi)/7

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

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

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

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