Help me please i don't understand this thanks
1 answer:
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Angle between is
° .
<u>Step-by-step explanation:</u>
We have , two vectors u = <-5, -4>, v = <-4, -3> or ,
We need to find angle between these two vectors . Let's find out:
We know that dot product of two vectors is defined as :
, where x is angle between u & v !
⇒
⇒
Now ,
⇒
⇒ {
}
⇒
Now , Modulus of any vector is
So ,
Putting all these values in equation we get:
⇒
⇒
⇒ {
}
⇒ °
Therefore , Angle between is
° .