Two Vectors U and V Are Given $\mathbf { u } = \mathbf { i } + 2 \mathbf { j } - 3 \mathbf { k } , \mathbf { v } = \mathbf { j } + \mathbf { k }$

question 72

Essay

Two vectors u and v are given. Find the angle correct to one decimal place (expressed in degrees) between u and v. $\mathbf { u } = \mathbf { i } + 2 \mathbf { j } - 3 \mathbf { k } , \mathbf { v } = \mathbf { j } + \mathbf { k }$

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Definitions:

==

An equality operator used in programming languages to compare two values, returning true if equal and false otherwise.

Nested If

A conditional statement within another conditional statement, allowing for more complex decision-making paths.

If-Else

A conditional statement in programming that executes a block of code if a specified condition is true, and another block if the condition is false.

Switch Statement

A control statement in programming that allows for the execution of different parts of code based on the value of a variable or expression.