Question

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here is the qus :-


=>how we find direction cosines<=


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Answer 1

Answer:

To find the direction cosines of the vector a is need to divided the corresponding coordinate of vector by the length of the vector. The coordinates of the unit vector is equal to its direction cosines. Property of direction cosines. The sum of the squares of the direction cosines is equal to one.

Answer 2

Step-by-step explanation:

To find the direction of cosines of a vector a is needed to divided the corresponding coordinate of the vector by the length of the vector. The coordinates of the unit vector is equal to its direction cosines .Property of direction cosines .The sum of the square of direction cosines is equal to 1.