If `sec^(-1) x = cosec^(-1) y`, then find the value of `cos^(-1).(1)/(x) + cos^(-1).(1)/(y)`

If `sec^(-1) x = cosec^(-1) y`, then find the value of `cos^(-1).(1)/(

1.	If `sec^(-1) x = cosec^(-1) y`, then find the value of `cos^(-1).(1)/(x) + cos^(-1).(1)/(y)`
Answer» `sec^(-1) x = cosec^(-1) y` or `cos^(-1).(1)/(x) = sin^(-1).(1)/(y)` or `cos^(-1).(1)/(x) = (pi)/(2) - cos^(-1).(1)/(y)` or `cos^(-1).(1)/(x) + cos^(-1).(1)/(y) = (pi)/(2)`

`tan^(-1)[(cosx)/(1+sinx)]`is equal to`pi/4-x/2,forx in (-pi/2,(3pi)/2)``pi/4-x/2,forx in (-pi/2,pi/2)``pi/4-x/2,forx in (-pi/2,pi/2)``pi/4-x/2,forx in (-(3pi)/2,pi/2)`
The value of `sin^(-1)(sin12)+sin^(-1)(cos12)=`
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