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A vector makes angles alpha,beta "and" g...

A vector makes angles `alpha,beta "and" gamma` with the X,Y and Z axes respectively . Find the value of the expression `(sin^(2)alpha+sin^(2)beta+sin^(2)gamma)/(cos^(2)alpha+cos^(2)beta+cos^(2)gamma)`

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AAKASH SERIES-ELEMENTS OF VECTORS-NUMERICAL EXXERCISE (LEVEL -2)
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  7. Resultant of two vector of equal magnitude A is

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  8. A vector makes angle with X,Y and Z axer that are in the ratio 1:2:1 r...

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  9. The components of a particles velocity in the directions at right angl...

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  10. Two vectors vecP and vecQ are having their magnitudes in the ratio s...

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  11. A vector makes angles alpha,beta "and" gamma with the X,Y and Z axes r...

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  12. At a given instant of time two particles are having the position vecto...

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  13. IF barP + barQ = barR and P=Q = (R )/(sqrt(2)) then find the a...

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  14. The sum of the magnitudes of wto forces acting at a point is 18 and th...

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  16. A launch plies between two points A and B on the opposite banks of a r...

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  17. A boat moves perpendicular to the bank with a velocity of 7.2 km/h. Th...

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  18. An aeroplane is flying with a velocity 800kmph relative to air wind is...

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  19. A swimmer is capable of swimming at 1.65ms- in still water. If he swim...

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