Let a vertical tower A B have its end A ...

Let a vertical tower `A B` have its end `A` on the level ground. Let `C` be the mid point of `A B` and `P` be a point on the ground such that `A P=2A Bdot` If `/_B P C=beta,` then `tanbeta` is equal to : `2/9` (2) `4/9` (3) `6/7` (4) `1/4`

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