Q12 of 34 Page 1030

If and then calculate the angle between and





|| =


|| =


We know that ,



⇒


⇒ (35 - 4) = 50 cosθ


⇒ cosθ = 31/50


⇒ θ = cos - 1(31/50)


Ans: θ = cos - 1(31/50)


More from this chapter

All 34 →
10

i. Find the projection of on if and

ii. Write the projection of the vector on the vector


11

Find the angle between the vectors and when

i. and


ii. and


iii. and


13

If is a unit vector such that find

14

Find the angles which the vector makes with the coordinate axes.