An airplane when flying at a height of 4000 m from the ground passes vertically below another plane at an instant when the angles of elevation of the two planes from the same point on the ground are 60∘ and 45∘ respectively. Find the distance between the two planes at that instant.

An airplane when flying at a height of 4000 m from the ground passes v

1.	An airplane when flying at a height of 4000 m from the ground passes vertically below another plane at an instant when the angles of elevation of the two planes from the same point on the ground are 60∘ and 45∘ respectively. Find the distance between the two planes at that instant.
Answer» An airplane when flying at a height of $4000 m$ from the ground passes vertically below another plane at an instant when the angles of elevation of the two planes from the same point on the ground are $60^{\circ}$ and $45^{\circ}$ respectively. Find the distance between the two planes at that instant.

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An airplane when flying at a height of 4000 m from the ground passes vertically below another plane at an instant when the angles of elevation of the two planes from the same point on the ground are 60∘ and 45∘ respectively. Find the distance between the two planes at that instant.

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