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Let u and v be vectors in 3-space with angle θ between them, 0 ≤ θ...

Let u and v be vectors in 3-space with angle θ between them, 0 ≤ θ ≤ π. Which of the following is the only correct statement?

(a) u × v is parallel to v, and |u × v| = |u||v| cos θ.

(b) u × v is perpendicular to u, and |u × v| = |u||v| cos θ.

(c) u × v is parallel to v, and |u × v| = |u||v|sin θ.

(d) u × v is perpendicular to u, and |u × v| = |u||v|sin θ.

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