15. у %3D tan х 17. у %3D — sec x 19. у %3D —2 tan 3x 21. у %3D csc пх 16. у %3D —+ tan x 18. у %3D sec x 20. у 3D —3 tan лх 22. у %3D 3 csc 4х 24. у 3D 2 sec Зх 23. у %3D sec пх 25. у 3D csc 2 26. у 3D csc 27. у %3D 3 сot 2x 28. у 3D 3 сot 2 29. у 3D tan 4 30. у 3D tan 4x 31. у %3D 2 сsc(x — п) 32. у %3 сsc(2x - л) 34. у %3Dtan(x + л) 36. у 3D —2 seс 4x + 2 33. у 3 2 sec(x + л) 35. у %3D — sec лх +1 37. у %3D 38. y = 2 cot(x + csc| x + 2,
15. у %3D tan х 17. у %3D — sec x 19. у %3D —2 tan 3x 21. у %3D csc пх 16. у %3D —+ tan x 18. у %3D sec x 20. у 3D —3 tan лх 22. у %3D 3 csc 4х 24. у 3D 2 sec Зх 23. у %3D sec пх 25. у 3D csc 2 26. у 3D csc 27. у %3D 3 сot 2x 28. у 3D 3 сot 2 29. у 3D tan 4 30. у 3D tan 4x 31. у %3D 2 сsc(x — п) 32. у %3 сsc(2x - л) 34. у %3Dtan(x + л) 36. у 3D —2 seс 4x + 2 33. у 3 2 sec(x + л) 35. у %3D — sec лх +1 37. у %3D 38. y = 2 cot(x + csc| x + 2,
15. у %3D tan х 17. у %3D — sec x 19. у %3D —2 tan 3x 21. у %3D csc пх 16. у %3D —+ tan x 18. у %3D sec x 20. у 3D —3 tan лх 22. у %3D 3 csc 4х 24. у 3D 2 sec Зх 23. у %3D sec пх 25. у 3D csc 2 26. у 3D csc 27. у %3D 3 сot 2x 28. у 3D 3 сot 2 29. у 3D tan 4 30. у 3D tan 4x 31. у %3D 2 сsc(x — п) 32. у %3 сsc(2x - л) 34. у %3Dtan(x + л) 36. у 3D —2 seс 4x + 2 33. у 3 2 sec(x + л) 35. у %3D — sec лх +1 37. у %3D 38. y = 2 cot(x + csc| x + 2,
Sketching the Graph of a Trigonometric Function In Exercises 15–38, sketch the graph of the function. (Include two full periods.)
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
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