A 10 inches long pencil AB with mid point C and a small eraser P are placed on the…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
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 = 
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
inches and 
- tan–1(1)
Answer
(A)
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