Show that `sin^(- 1)(sin((33pi)/7))+cos^(- 1)(cos((46pi)/7))+tan^-1(-tan((13pi)/8))+cot^-1(cot(-(19pi)/8))=(13pi)/7`

If sin^(-1)(sin.(33pi)/(7))+cos^(-1)(cos.(46pi)/(7)) + tan^(-1)(-tan.(13pi)/(8))+cot^(-1)(-cot.(19pi)/(8))=(api)/(b) , where a and b are constant, then (a+b) is equal to

If sin^(-1)(sin.(33pi)/(7))+cos^(-1)(cos.(46pi)/(7)) +tan^(-1)(-tan.(13pi)/(8))+cot^(-1)(-cot.(19pi)/(8))=(api)/(b) , where a and b are constant, then (a+b) is equal to

cot^(-1)(cot((-46 pi)/(7)))

The value of sin^(-1)(sin((47 pi)/(7)))+cos^(-1)cos((60 pi)/(7))+tan^(-1)(-(tan)(29 pi)/(8))+cot^(-1)(cot(-(35 pi)/(8)))

Find the value of tan^(-1) (-tan((13pi)/(8)))+ cot^(-1) (-cot((19pi)/(8)))

Evaluate: tan^(-1)(tan(5pi)/6)+cos^(-1){cos((13pi)/6)}

Find the value of tan^(-1) (-tan.(13pi)/(8)) + cot^(-1) (-cot((19pi)/(8)))

The value of the expression sin^(-1)(sin(22pi)/7)cos^(-1)(cos(5pi)/3)+tan^(-1)(tan(5pi)/7)+sin^(-1)(cos2) is (17pi)/(42)-2 (b) -2 (-pi)/(21)-2 (d) non eoft h e s e

Find the value of tan^(-1) (-tan.(13pi)/(8)) + cot^(-1) (-cot((9pi)/(8)))