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11th Class FA Mathematics Chapter 10 Online Test MCQs With Answers
Question # 1
2 sin α cos ß =
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sin (α + ß) - sin (α - ß)
cos (α + ß) + cos (α - ß)
sin (α + ß) + sin (α - ß)
cos (α + ß) - cos (α - ß)
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Question # 2
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none of these
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Question # 3
Cot1°, Cot2°, Cot3°, .......... Cot89° =
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-1
1
∞
none
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Question # 4
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Question # 5
tan (α - ß ) =
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Question # 6
sin5Θ + sin3Θ is equal to:
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2cos 2Θ sin Θ
-2 cos 4Θ sin Θ
-2 sin 4Θ cos Θ
2 sin 4Θ cos Θ
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Question # 7
If an angle α is allied to an angle ß, then α ± ß = __________:
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90°
multiple of 90°
180°
multiple of 180°
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Question # 8
tan (α+ß) =
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Question # 9
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Question # 10
2 cos α sin ß =
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cos (α + ß) + cos (α - ß)
sin (α + ß) + sin (α - ß)
sin (α + ß) - sin (α - ß)
cos (α + ß) + cos (α - ß)
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Question # 11
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1 + cos Θ
1 - cos Θ
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Question # 12
sec (2π + Θ), where Θ is a basic angle will have terminal side in:
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quad. I
quad. II
quad. III
quad. IV
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Question # 13
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- cot Θ
- tan Θ
tan Θ
none of these
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Question # 14
csc (2π - Θ), where Θ is a basic angle, will have terminal side in:
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quad. I
quad. II
quad. III
quad. IV
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Question # 15
2 sin 12° sin 46° =
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cos 34° + cos 58°
sin 34° - sin 58°
sin 34° + sin 58°
cos 34° - cos 58°
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Question # 16
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quad I
quad. II
quad. III
quad. IV
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