" 13.If "sin^(-1)sin((10 pi)/(3))+cos^(-1)cos(22 pi)/(3)+tan^(-1)tan10=a pi+b," then "|(3ab)/(80)|" is equal to "

The value of cos(sin^(-1).(pi)/(3)+cos^(-1).(pi)/(3)) is

Evaluate the following: sin^(-1)(sin(pi)/(4)) (ii) cos^(-1)(cos2(pi)/(3))tan^(-1)(tan(pi)/(3))

Evaluate the following: 1*sin^(-1)(sin(2 pi)/(3))2cos^(-1)(cos(7 pi)/(6))3*tan^(-1)(tan(2 pi)/(3))

Evaluate each of the following: sin^(-1)((sin pi)/(3)) (ii) cos^(-1)((cos(2 pi))/(3))( iii) tan^(-1)((tan pi)/(4))

"sin^(2)(pi)/(6)+cos^(2)(pi)/(3)-tan^(2)(pi)/(4)=-(1)/(2)"

Evaluate the following: sin^(-1)(sin(pi/4)) (ii) cos^(-1)(cos(2pi/3)) tan^(-1)(tan(pi/3))

Evaluate the following: (i) sin^(-1)(sin(pi/4)) (ii) cos^(-1)(cos(2pi)/3)) tan^(-1)(tan(pi/3))

Evaluate each of the following: sin^(-1)((sin(2 pi))/(3))( ii) cos^(-1)((cos(7 pi))/(6))( iii) tan^(-1)((tan(3 pi))/(4))

Evaluate the following: a) sin^(-1)(sin(pi/4)) b) cos^(-1)(cos(2pi/3)) c) tan^(-1)(tan(pi/3))

The value of the expression sin^(-1)((sin(22 pi))/(7))+cos^(-1)((cos(5 pi))/(3))+tan^(-1)((tan(5 pi))/(7))+sin^(-1)(cos2) is (a) (17 pi)/(42)-2( b) -2( c) (-pi)/(21)-2( d) noneofthese