Q. 73.9( 7 Votes )

# If θ is the angle between the vectors and , then find the value of tan θ.

Answer :

**Given:** and

**To find:** value of tan θ

**Formula used:**

If two vectors are perpendicular, their dot product is zero

Hence,

Therefore,

Base = 3

Hypotenuse

P^{2} = H^{2} – B^{2}

⇒ P^{2} = 21 – 9

⇒ P^{2} = 12

Hence, the value of tan θ is

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