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What is the cosine of the angle which the vector `sqrt(2hati)+hatj+hatk` makes with y-axis ?

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What is the cosine of the angle which the vector sqrt2 hat i+ hat j +hat k makes with the Y-axis ?

Find the cosine of the acute angle which the vector : sqrt2hati+hatj+hatk makes with y-axis.

Write the value of the cosine of the angle which the vector veca=hati+hatj+hatk makes with y-axis. Also find angle between hati+hatj+hatk and x-axis

Find the angle between the vectors hati-hatj and hatj-hatk .

The angle between the vectors hati-hatj and hatj-hatk is :

The sine of the angle between the vector a=3hati+hatj+hatk and b=2hati-2hatj+hatk is

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JMD PUBLICATION-VECTOR ALGEBRA-EXAMPLE
  1. The value of : hati*(hatjxxhatk)+hatj*(hatixxhatk)+hatk*(hatixxhatj) i...

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  2. Let veca and vecb be two vectors such that |\veca|=3 and |\vecb|=frac{...

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  3. What is the cosine of the angle which the vector sqrt(2hati)+hatj+hatk...

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  4. If vecp is a unit vector and (vecx-vecp).(vecx+vecp)=80, then find |\v...

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  5. Write a vector of magnitude 15 units in the direction of vector hati-2...

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  6. If veca and vecb are two vectors such that |\veca.vecb|=|\vecaxxvecb|,...

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  7. Find the angle between two vectors veca and vecb with magnitudes 1 and...

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  8. Find the value of p if (2hati+6hatj+27hatk)xx(hati+3hatj+phatk)=vec0...

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  9. For what value of 'a' the vectors 2hati-3hatj+4hatk and ahati+6hatj-8h...

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  10. Find the angle between the vectors veca=hati-hatj+hatk and vecb=hati+h...

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  11. Determine the area of the parallelogram whose adjacent sides are 2 hat...

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  12. P and Q are two points with position vectors 3veca-3vecb and veca+vecb...

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  13. Find a unit vector perpendicular to both the vectors (3 hat i + 2 hat ...

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  14. Find a vector of magnitude 8, which is perpendicular to both the vecto...

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  15. If veca=3hati+2hatj+2hatk and vecb=hati+2hatj-2hatk, then find a unit ...

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  16. Find the area of parallelogram whose adjacent sides are given by the v...

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  17. Find the area of parallelogram whose diagnolas are 2hati+3hatj+ 6hatk ...

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  18. Find a vector of magnitude 5 units and parallel to the resultant of th...

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  19. If two vectors veca and vecb are such that |\veca|=3,|\vecb|=2 and vec...

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  20. If veca and vecb are perpendicular vectors, |veca+vecb|=13, |veca|=5 t...

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