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| 1. |
A verticalpole subtends an angleTan ^(-1) (( 1)/(2))at apoint P onthe ground. On the ground .If the angles subtendsby the upper half and the lower halfof the pole at Pare respectivelyalpha and betathen( tan alpha, tan beta) |
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Answer» ` ( (1)/(4) , ( 1)/(5))` |
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