Precalculus - Trig Day (Exact Values) Page 2
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1
2State the
EXACT VALUE WITHOUT
using a calculator. Leave answers in simplest radical form or state that the value is undefined.
42. sin 210°
44. tan 120°
41. cos
43. cos
45. sin
46. tan
48. sin 225°
49. tan 300°
51. tan 150°
47. tan
50. tan
52. cos
54. sin ( −120° )
55. cos 240°
58. cos ( −45° )
53. sin
56. tan
57. cos
59. sin ( −240° )
60. sin 135°
61. tan 135°
62. cos 150°
63. sin 315°
64. cos 300°
65. tan 330°
66. cos 225°
70. tan 5
68. sin
69. cos
67. sin −
Now, try a few reciprocal functions. You may want to draw a labeled picture for these.
71. csc ( −240° )
72. sec ( −120° )
73. cot 135°
74. sec 150°
75. cot
76. csc
79. csc ( −30° )
77. sec 315°
78. cot 300°
80. cot
81. sec
82. csc
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