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In Figure, A D=4c m , B D=3c m and C B=1...

In Figure, `A D=4c m` , `B D=3c m` and `C B=12 c m` , find `cottheta` . `(a) (12)/5 (b) 5/(12) (c) (13)/(12) (d) (12)/(13)`

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