Question

In: Advanced Math

For the following exercises, match each trigonometric function with one of the graphs in Figure 18. f(x) = tan x

For the following exercises, match each trigonometric function with one of the graphs in Figure 18.

f(x) = tan x

Solutions

Expert Solution

Consider the following trigonometric function:

f(x) = tanx

 

To acknowledge the graph among the provided graphs in textbook, first sketch the graph of above function,

Put x = π/3 in the above function,

f(-π/3) = tan(-π/3)

            = -tan(π/3)

           = -√3

           = -1.732

 

Put x = π/4 in the above function,

f(-π/4) = tan(-π/4)

            = -tan(π/4)

           = -1

 

Put x = 0 in the above function,

f(0) = tan(0)

       = 0

 

Put x = π/6 in the above function,

f(π/6) = tan(π/6)

           = 1/√3

           = 0.5774

 

Put x = π/4 in the above function,

f(π/4) = tan(π/4)

           = 1

 

Put x = π/3 in the above function,

f(π/3) = tan(π/3)

           = √3

           = 1.732

 

Now draw the table for the above values of function,

x -π/3 -π/4 0 π/6 π/4 π/3
f(x) -√3 -1 0 1/√3 1 √3

 

Now plot the graph with the table,

 

Hence it is cleared that the graph I provided in the textbook is the graph of the function

f(x) = tanx.


Hence it is cleared that the graph I provided in the textbook is the graph of the function

f(x) = tanx.

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