A du 21. t = -/4 beues 24. t = -11#/6 eo U 22. t = -7/4 25. t = -5T/3 23. t %3D -5п/6 26. t3D -2п/3 %3D In Problems 27-32, find the given trigonometric function value. Do not use a calculator. tions C0E0.8Te 27. sin(-117/3) 28. cos(17T/6) 31. cos 57 29. cos(-7/4) 32. sin(23/3) 30, sin(-197/2) In Problems 33–38, justify the given statement with one of the properties of the trigonometric functions. nen 33. sin T = sin 37 35. sin(-3 – T) = –sin(3 + ) a37. cos 0.43 = cos(-0.43) 34. cos(T/4) = sin(/4) = cos 14.87T 38. sin(27/3) = sin(7/3) 36. сos 16.87п %3D %3D %3D In Problems 39–46, find the given trigonometric function value. Do not use a calculator. istq 40. cos 150° 42. sin270° 44. sin(-180°) 46. cos(-300°) 39. sin o 41. cos 210° lg bonsg faiwaibousg 43. cos 330° 45. sin(-60°) In Problems 47-50, firall angles t, where 0
A du 21. t = -/4 beues 24. t = -11#/6 eo U 22. t = -7/4 25. t = -5T/3 23. t %3D -5п/6 26. t3D -2п/3 %3D In Problems 27-32, find the given trigonometric function value. Do not use a calculator. tions C0E0.8Te 27. sin(-117/3) 28. cos(17T/6) 31. cos 57 29. cos(-7/4) 32. sin(23/3) 30, sin(-197/2) In Problems 33–38, justify the given statement with one of the properties of the trigonometric functions. nen 33. sin T = sin 37 35. sin(-3 – T) = –sin(3 + ) a37. cos 0.43 = cos(-0.43) 34. cos(T/4) = sin(/4) = cos 14.87T 38. sin(27/3) = sin(7/3) 36. сos 16.87п %3D %3D %3D In Problems 39–46, find the given trigonometric function value. Do not use a calculator. istq 40. cos 150° 42. sin270° 44. sin(-180°) 46. cos(-300°) 39. sin o 41. cos 210° lg bonsg faiwaibousg 43. cos 330° 45. sin(-60°) In Problems 47-50, firall angles t, where 0
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 64E
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