Calculus Cross Product?

2020-08-31 12:50 pm

Consider the figure below, where |u| = 6 and |v| = 8. theta = 60 degrees.

Find | u x v | = ?

See attached Image, Thanks!

回答 (1)

2020-08-31 12:55 pm

| u × v |
= |u| |v| sinθ
= 6 * 8 * sin60°
= 48 * (√3/2)
= 24√3

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