Physics, asked by JaffarAbbas11, 7 months ago

the angle between two vectors A=3i^-4j^+5k^ and B=9i^+3j^+9k^ is?

Please Explain It !!

Answers

Answered by Anonymous

1

Answer:

answer |A|=√50. |B|=√171

A.B= 27-12+45=>60

also cos#=A.B/|A||B|

cos#=60/√8550

#=cos^-1√8550/60

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