JEE Main 20211 Sep, Evening shiftMathematicsEasyTrigonometry118× since 2002cos−1(cos(−5))+sin−1(sin(6))−tan−1(tan(12)){\cos ^{ - 1}}(\cos ( - 5)) + {\sin ^{ - 1}}(\sin (6)) - {\tan ^{ - 1}}(\tan (12))cos−1(cos(−5))+sin−1(sin(6))−tan−1(tan(12)) is equal to : (The inverse trigonometric functions take the principal values)AOption A. 3π\piπ −-− 11BOption B. 4π\piπ −-− 9COption C. 4π\piπ −-− 11DOption D. 3π\piπ + 1CheckSkip · show solution
