JEE Main202324 Jan 2023Morning ShiftMathematicsInverse Trigonometric FunctionsActual
tan - 1 1 + 3 3 + 3 + sec - 1 8 + 4 3 6 + 3 3 =
Options
- Aπ 4
- Bπ 2
- Cπ 3
- Dπ 6
Correct answer
C. π 3
Step-by-step solution
tan - 1 1 + 3 3 + 3 + sec - 1 8 + 4 3 6 + 3 3 = tan - 1 1 + 3 3 1 + 3 + sec - 1 4 2 + 3 3 2 + 3 = tan - 1 1 3 + sec - 1 4 3 = tan - 1 1 3 + cos - 1 3 2 = π 6 + π 6 = π 3