To find: What is the difference between a trigonometric equation and a
Hence, the difference between trigonometric equation and trigonometric identity is explained above.
Given: Trigonometric identity and trigonometric equation
Concept Used: Trigonometric identity:
Explanation:
Let us take an example:
Trigonometric equation is true for some values of
A trigonometric equation that is true for all values of the variable for which both sides of the equation are well defined called a trigonometric identity. Here equation (i) is a trigonometric identity as it is defined for
Conclusion:
Hence, the difference between trigonometric equation and trigonometric identity is explained above.
Chapter 10 Solutions
EBK ALGEBRA 2
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- A clothing manufacturer's profitability can be modeled by p (x)=-x4 + 40x² - 144, where .x is the number of items sold in thousands and p (x) is the company's profit in thousands of dollars. a. Sketch the function on your calculator and describe the end behavior. b. Determine the zeros of the function. c. Between what two values should the company sell in order to be profitable? d. Explain why only two of the zeros are considered in part c.arrow_forwardCCSS REASONING The number of subscribers using pagers in the United States can be modeled by f(x) = 0.015x4 -0.44x³ +3.46x² - 2.7x+9.68 where x is the number of years after 1990 and f(x) is the number of subscribers in millions. a. Graph the function. b. Describe the end behavior of the graph. c. What does the end behavior suggest about the number of pager subscribers? d. Will this trend continue indefinitely? Explain your reasoning.arrow_forwardCan you help me solve this?arrow_forward
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