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

question 67

Essay

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

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Interest-Bearing Note

A debt instrument that obliges the issuer to pay interest to the holder on the principal amount until maturity.

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