Asked by Giovanni
The vector u has length 15 and points at an angle of 25 degrees
The vector v has length 20 and points at an angle of 55 degrees
Find u*v=?
The vector v has length 20 and points at an angle of 55 degrees
Find u*v=?
Answers
Answered by
Steve
the angle θ between the vectors is 55-25 = 30°.
u•v = |u|*|v|*cosθ
now just plug in your numbers.
u•v = |u|*|v|*cosθ
now just plug in your numbers.
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