JEE Advanced Mathematics question
Not in JEE syllabus
Three vertical poles of heights and at the vertices A, B and C of a subtend angles and respectively at the circumcentre of the triangle. If and are in AP then are in
Answer: (C)
Solution
The circumcentre O is at distance (circumradius) from each vertex. The pole at A subtends angle at O, i.e. its top is seen at elevation from O, so
α = ⇒ α = ,
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