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In the figure given below, AD=4cm,BD=3cm and CB=12 cm, then cotƟ equals(a) 3/4(b) 5/12(c) 4/3(d) 12/5 |
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Answer» Correct answer is: (d) 12/5 AB2=AD2+BD2 AB=5cm AC2=AB2+CB2 AC=13 cm Cot =CB/AB=12/5 |
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