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JEE Main Math Class 12 Inverse Trigonometric Functions Questions

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Question : 35

Total: 74

A 10 inches long pencil AB with mid-point C and a small eraser P are placed on the horizontal top of a table such that PC=√5 inches and ∠PCB=tan−1(2). The acute angle through which the pencil must be rotated about C so that the perpendicular distance between eraser and pencil becomes exactly 1 inch is

[2021, 26 Aug. Shift-II]

tan−1(‌
3
4
)
tan−1(1)
tan−1(‌
4
3
)
tan−1(‌
1
2
)

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