From a station due West of a tower the angle of elevation of the top of the tower is seen to be . From a station , 10 m from and in the direction South of East of angle of elevation is , the height of tower is |
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a) |
b) |
c) |
d) |
None of these |

From a station due West of a tower the angle of elevation of the top of the tower is seen to be . From a station , 10 m from and in the direction South of East of angle of elevation is , the height of tower is |
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a) |
b) |
c) |
d) |
None of these |

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