The Lengths of Two Vectors a and B, and the Angle

question 58

Essay

The lengths of two vectors a and b, and the angle  between them, are given. Find the length of their cross product, $| \mathbf { a } \times \mathbf { b } |$
. $| \mathbf { a } | = 4 , \mathbf { b } \mid = 5 , \theta = 60 ^ { \circ }$

---

Definitions:

Descriptive Convention

Established methods and rules in art or literature that guide the representation or description of subjects, often based on cultural or historical practices.

Optical Convention

Established methods and practices in art and design that simulate how the human eye perceives the world.

Agriculture

The practice of cultivating the soil, growing crops, and raising livestock for human use and consumption.

Anatolia And Mesopotamia

Two ancient regions; Anatolia, now part of Turkey, and Mesopotamia, largely modern-day Iraq, both of significant historical and cultural importance.