The value of cos^-1(cos12)-sin^-1(sin14)...

The value of `cos^-1(cos12)-sin^-1(sin14)` is. (1) `-2` (2) `8pi-26` (3) `4pi+2` (4) None of these

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`cot^(-1)(cos12)-sin^(-1)(sin14)`
`cos^(-1)(cos(4pi-12))-sin^(-1)(sin(4pi))`
`(4pi-12)-(14-4pi)`
`8pi-26`

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