Mathematics, 30.12.2019 19:31 meiyrarodriguez

Find the angle between each of the following pairs of vectors a⃗ =axi^+ayj^ and b⃗ =bxi^+byj^.. ax1= -3.20, ay1= 4.40; bx1= 2.70, by1= -3.10. i know this is dot prodoct but the calculater just keep saying error

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Find the angle between each of the following pairs of vectors a⃗ =axi^+ayj^ and b⃗ =bxi^+byj^.. ax1=...