The value of `sin(sin^(-1)1/2+cos^(-1)1/2)=?`

find the value of sin(sin^(-1)a+cos^(-1)a)

find the value of sin^(-1)(-(1)/(2))+cos^(-1)(-(1)/(2))

The value of 2cos^(-1)(-1/2)-2 sin^(-1)(-1/2)-cos^(-1)(-1) is

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

The value of sin^(-1)(cos2)-cos^(-1)(sin2)+tan^(-1)(cot4)-cot^(-1)(tan4)+sec^(-1)(cos ec6)-cos ec^(-1)(sec6

The value of cos^(-1){sin(cos^(-1)(1/2))} is

The value of tan^(-1) [2 sin (cos^(-1) ""(1)/(2))] is