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Mathematics ECAT Pre Engineering Chapter 16 Solution of Trigonometric Equations Online Test MCQs With Answers
Question # 1
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7
5
6
None of these
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Question # 2
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Question # 3
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A finite non-empty set
Null set
Both a and b
None of these
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Question # 4
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none of these
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Question # 5
The solution set of the equation 1 + Cos x = 0 is __________
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none of these
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Question # 6
The solution set of sin x + cos x = 0 is
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Question # 7
Sine rule for a triangle states that
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a/sin A = b/sin B = c/sin C
sin A/a = sin B/b = sin C/c
a/sin A + b/sin B + c/sin C
2a/sin A = 2b/sin B = 2c/sin C
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Question # 8
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none of these
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Question # 9
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none of these
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Question # 10
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I and
I
I quadrants
I
I and
I
I
I quadrants
I
I and
I
V
quadrants
none of these
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Question # 11
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I and
I
I quadrants
I
I and
I
I
I quadrants
I
I
I and
I
V
quadrants
none of these
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Question # 12
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trigonometric equation
conditional equation
identity
None
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Question # 13
The number of values of x in the interval [0, 5
π
] satisfying the equation 3 sin
2
x - 7 sinx + 2 = 0 is
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0
5
6
10
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Question # 14
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Question # 15
The solution of the equation cos
2
θ
+ sin
θ
+ 1 = 0 lies in the interval
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Question # 16
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Question # 17
General solution of tan 5
θ
= cot 2
θ
is
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Question # 18
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Question # 19
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none of these
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Question # 20
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all
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Question # 21
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Question # 22
The solution set of the equation 4 cos
2
x - 3 + 0 is
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none of these
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Question # 23
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Question # 24
The number of solution of the equation tan x + sec x = 2 cos x lying in the interval [0, 2
π
] is
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0
1
2
3
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Question # 25
If 4 sin
2
θ
=1, then values of
θ
are
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Question # 26
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Question # 27
The solution set of trigonometric equation contains
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one element
two elements
three elements
Infinite elements
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