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In Fig. 5.48, A D=4c m , B D=3c m and...

In Fig. 5.48, `A D=4c m` , `B D=3c m` and `C B=12 c m` , find `cottheta` . `(12)/5` (b) `5/(12)` (c) `(13)/(12)` (d) `(12)/(13)` (FIGURE)

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