River is flowing at 3 Km/h in the west direction and You can swim at a maximum speed of 5 Km/h , then at what direction must you swim so that you end up swimming perpendicular to the bank?
A
sin(⅗)
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B
cos-1(⅗)
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C
tan-1(⅗)
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D
sin-1(⅗)
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