Q: From an observation tower ‘h’ meter above the level of river, t – McqOptions

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1.	Q: From an observation tower ‘h’ meter above the level of river, the angle of depression of a point on the near shore is A° and that of a point directly on the far shore is B°. Find the width of the river.
A.	h (Cot B +Cot A)
B.	h (tanB +tanA)
C.	h (tanA - tan B)
D.	h(cot B-cotA)
Answer» B. h (tanB +tanA)

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