" 16.The value of "sin^(-1)(sin12)+cos^(-1)(cos12)" is equal to "

The value of sin^(-1) (sin 12) - cos^(-1) (cos12) is equal to :

The value of sin^(-1) (sin 12) + cos^(-1) (cos 12) is equal to

The value of sin^(-1) (sin 12) + cos^(-1) (cos 12) is equal to

The value of sin^(-1) (sin 12) + cos^(-1) (cos 12) is equal to

The value of sin^(-1)(sin12)+sin^(-1)(cos12)=

The value of sin^(-1)(sin12)+sin^(-1)(cos12)=

The value of sin^(-1)(sin 12 )+cos^(-1)(cos 12) is equal to a)Zero b) 24 -2pi c) 4pi - 24 d)None of these

The value of sin^(-1)sin17+cos^(-1)cos10 is equal to

The value of sin^(-1)sin17+cos^(-1)cos10 is equal to