some easy vector problems #2!

If the vectors 3p+q;5p-3q and 2p+q;4p-2q are the pairs of mutually perpendicular vectors then find the value of sin(p^q).

2 Answers

what is p^q??

(3p+q)x(5p-3q) = -9pxq+5qxp = 0 thus p x q = 0

now what does p^q mean?

it means angle between p and q

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