Vector Algebra Question 352
If the angle between the vectors a and b be θ and $ \mathbf{a},.,\mathbf{b}=|\mathbf{a}||\mathbf{b}|\cos \theta , $ then the true statement is
Options:
A) a and b are equal vectors
B) a and b are like vectors
C) a and b are unlike vectors
D) a and b are unit vectors
Show Answer
Answer:
Correct Answer: D
Solution:
- Obviously $ \mathbf{a},\mathbf{b} $ are unit vectors.
 
             
             
           
           
          