Home
Class 12
MATHS
Write the direction ratios of the vector...

Write the direction ratios of the vector `r=hati-hatj+2hatk` and hence calculate its direction cosines.

Text Solution

Verified by Experts

The correct Answer is:
Direction ratios are `1,-1,2` and direction cosines are `(1)/(sqrt(6)),(-1)/(sqrt(6)),(2)/(sqrt(6))`.
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    ARIHANT MATHS|Exercise Exercise For Session 2|17 Videos

  • VECTOR ALGEBRA

    ARIHANT MATHS|Exercise Exercise For Session 3|11 Videos

  • VECTOR ALGEBRA

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|9 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|18 Videos

Similar Questions

Explore conceptually related problems

Write the direction ratio’s of the vector veca=hati+hatj-2hatk and hence calculate its direction cosines.

Write the direction-ratios of the vector vecr=hati+hatj-2hatk , and hence calculate its direction-cosines.

Write the direction cosines of the vector : hati+2hatj+3hatk

Write the direction cosines of the vector : 2hati+2hatj+3hatk

Write the direction cosines of the vector : -2hati+hatj-5hatk

The direction cosines of the vector 3hati-4hatj+5hatk are

Find the direction cosines of the vectors: 6hati-2hatj-3hatk