MCQs in Plane Trigonometry Part II - Answers

Answers key for the Compiled MCQs in Plane Trigonometry Part 2 of the series as one topic in Engineering Mathematics in the ECE Board Exam.

Answers in Plane Trigonometry - MCQs Part 2

Below are the answers key for the Multiple Choice Questions in Plane Trigonometry – MCQs Part 2.

51. C. 152°

52. A. 67.5°

53. C. 90°

54. A. 540°

55. D. 810°

56. D. 43°

57. B

58. D. x

59. A. 0.984

60. B. –1

61. A. 60°

62. A. 0.309

63. B. A + 2B = 30°

64. A. 8/17

65. D

66. B. 80°

67. A. 3

68. C. 3π/2

69. D. π/5

70. D. 0.4

71. A. 1 & -5/13

72. A. 3/5

73. B. 0.250

74. D. 2/3

75. C. 8/9

76. D. x2 + y2 = 10

77. D. 0

78. C. A conditional equation

79. C. cot x

80. D. (2x2 – 4)/x2

81. C. 63.56

82. B. π/4

83. C. 0.281

84. A. 4

85. A. sin x

86. C. 1

87. D. sin 2θ

88. D. 2 cos2 θ – 1

89. C. cos 2a

90. C. cos 3x – sin 3x

91. C. sin 2θ

92. C. sinh 2x

93. A. 1

94. A. sin θ = 1/√(1 + x4)

95. B. √2 times

96. B. 2 mils

97. B. 4.72 degrees

98. A. 216 cm2

Online Questions and Answers in Plane Trigonometry Series

Following is the list of practice exam test questions in this brand new series:

Plane Trigonometry MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                   Answer key: PART III

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