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Chapter 14: Q30. (page 767)

Find the amplitude if it exists and period of the function y=12cot2胃 and then graph the function.

Short Answer

Expert verified

The amplitude of y=12cot2胃is undefined.

The period of y=12cot2胃 is 蟺2.

Step by step solution

01

Step 1. Write down the given information.

The given function is y=12cot2胃.

02

Step 2. Concept used.

A function of the form y=atanbxandy=acotbx has undefined amplitude and period 180掳bor蟺b.

03

Step 3. Evaluating amplitude and period of the given function.

With the help of concept stated above, the amplitude and period of the function y=12cot2胃 is evaluated as:

The amplitude of y=12cot2胃is undefined.

The period of y=12cot2胃 is 蟺2=蟺2.

04

Step 4. Sketch the graph for the function.

The graph for the function y=12cot2胃 is shown below.

05

Step 5. Conclusion.

The amplitude of y=12cot2胃is undefined.

The period of y=12cot2胃 is 蟺2.

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