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A man watches his friend swimming in his apartment swimming pool from the roof of the building which is 50 m high. When the swimmer was at one end, the angle of depression was 40∘. When the swimmer reaches the other end, the angle of depression changes to 65∘. The distance covered by the swimmer is [Tan 65∘=2.14, Tan 40∘=0.83] |
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Answer» A man watches his friend swimming in his apartment swimming pool from the roof of the building which is 50 m high. When the swimmer was at one end, the angle of depression was 40∘. When the swimmer reaches the other end, the angle of depression changes to 65∘. The distance covered by the swimmer is [Tan 65∘=2.14, Tan 40∘=0.83]
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