# A du 21. t = -/4beues 24. t = -11#/6eo U 22. t = -7/425. t = -5T/323. t %3D -5п/626. t3D -2п/3%3DIn Problems 27-32, find the given trigonometric function value. Do not use acalculator.tionsC0E0.8Te27. sin(-117/3)28. cos(17T/6)31. cos 5729. 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 thetrigonometric functions.nen33. sin T =sin 3735. sin(-3 – T) = –sin(3 + )a37. cos 0.43 = cos(-0.43)34. cos(T/4) = sin(/4)= cos 14.87T38. sin(27/3) = sin(7/3)36. сos 16.87п%3D%3D%3DIn Problems 39–46, find the given trigonometric function value. Do not use acalculator.istq40. cos 150°42. sin270°44. sin(-180°)46. cos(-300°)39. sin o41. cos 210°lg bonsg faiwaibousg43. cos 330°45. sin(-60°)In Problems 47-50, firall angles t, where 0

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