" I') cos "(cos(7 pi)/(6))" का मान नानर। "

cos^(-1) ""(cos"" (7pi )/(6))

cos^(-1)(cos((7 pi)/(6))) is equal to

cos^(-1)(cos""(7pi)/(6)) is equal to

Evalute : (I ) sin^(-1) ""(sin( pi/3) (ii ) cos^(-1) ( cos ""(2 pi)/(3)) (iii ) cos^(-1) (cos ""(7 pi)/(6))

cos^(-1)("cos"(7pi)/6) is equal to

cos^(-1)("cos"(7pi)/6) is equal to

cos^(-1)("cos"(7pi)/6) is equal to