Unit Vectors
Trending Questions
Q. Which of the following is a unit vector in the direction of ^i+^j+^k.
- ^i+^j+k√3
- 13^i+1√3^j+1√3^k
- ^i+^j+^k√2
- None of these
Q. If p and q are the lengths of perpendiculars from the origin to the lines xcosθ−ysinθ=kcos2θ and xsecθ+ycscθ=k, respectively, prove that p2+4q2=k2
Q.
Given →A=0.3^i+0.4^j+c^k. Calculate the value of c if A is a unit vector.
0.75
0.87
0.96
0.45