Chapter 6: Q 125 (page 397)

Show that the period of $f (θ) = s e c θ$ is $2 π$ .

Short Answer

Expert verified

From the following graph of secant function $f (θ) = s e c θ$ it is clear that the period of secant function is $2 π$ .

Step by step solution

Step 1. Given Information

We have to prove that the period of secant function is $2 π$ .

We will draw the graph of this function. After that from the graph we will examine the period of the function.

Step 2. To find period of secant function

The given function is :-

$f (θ) = s e c θ$ .

By using graphing utilities, we have the following graph of this function :-

We can see that curve of the graph repeated itself.

We know that the period of a function is where from the graph of function repeated itself.

We can see that the graph from $0$ to $2 π$ is same as $2 π$ to $4 π$ and $- 2 π$ to $0$ .

So we can conclude that the period of the given function is $2 π$ .

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Show that the period of $f (θ) = s e c θ$ is $2 π$ .

Short Answer

Step by step solution

Step 1. Given Information

Step 2. To find period of secant function

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Short Answer

Step by step solution

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Show that the period of $f (θ) = s e c θ$ is $2 π$ .