A man on the top of a tower observes a truck at an angle of depression 'a',where tan - Maths - Some Applications of Trigonometry

Question

A man on the top of a tower observes a truck at an angle
of depression 'a',where tan a =1/ root 5
and sees that it is moving towards the base of the tower
Ten mins later ,the angle of depression of the is found to be 'b'
where tan b= root 5 Assuming that the truck moves at a uniform
speed ,determine how much more time it will take to reach the base
of the tower ??

Rishabh Mittal · Accepted Answer

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