Calculus

👨🏻‍🏫 學術台數學

2008-02-14 7:13 pm

what angle does a force of F=15i+18j make with the x-axis???

回答 (1)

2008-02-14 7:25 pm

✔ 最佳答案

let a be the angle

tan a=18/15
a=50.2度

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