JEE Advanced Mathematics question
Not in JEE syllabus
A vertical pole PO is standing at the centre O of a square ABCD. If AC subtends an angle at the top, P, of the pole then the angle subtended by a side of the square at P is
Answer: (C)
Solution
Let . Since (O is the midpoint of AC and PO ⟂ plane), PO bisects , so . Then
OA = OP 45° = h, PA = =
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