helicopter with respect to boat in m s A vector makes angle with ve x axis ve y axis respectively 45 60 if the angle made by the

Question

helicopter with respect to boat in m s A vector makes angle with ve x axis ve y axis respectively 45 60 if the angle made by the vector with ve z axis is 15n What is the value of n Water runs into a conical tank kept with vertex downwards at the rate 9 cm sec If water level is rising at

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