Mathematics, 22.07.2021 14:00 kashaallen492
From a view tower 30 metres above the ground, the angle of depression of an object on the ground is 30 and the angle of elevation of an aircraft vertically above the object is 42.Calculate the height of the aircraft above the ground​
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From a view tower 30 metres above the ground, the angle of depression of an object on the ground is...
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