More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Chapter 16 Solution of Trigonometric Equations Online Test MCQs With Answers
Question # 1
Choose an answer
both a & c
Previous
Skip
Next
Question # 2
Choose an answer
1
2
3
None of these
Previous
Skip
Next
Question # 3
cot
θ
= sin 2
θ
if
θ
=
Choose an answer
Previous
Skip
Next
Question # 4
Choose an answer
Previous
Skip
Next
Question # 5
By expressing cos 113° in terms of trigonometrical ratios, answer will be
Choose an answer
− cos 76° = -0.7093
− cos 65° = -0.4258
− cos 67° = -0.3907
− cos 62° = -0.8520
Previous
Skip
Next
Question # 6
Choose an answer
none of these
Previous
Skip
Next
Question # 7
The solution of the equation 3 tan
2
x = 1 is ____________
Choose an answer
none of these
Previous
Skip
Next
Question # 8
Choose an answer
7
5
6
None of these
Previous
Skip
Next
Question # 9
Choose an answer
Previous
Skip
Next
Question # 10
Choose an answer
I and
I
I quadrants
I
I and
I
I
I quadrants
I
I
I and
I
V
quadrants
none of these
Previous
Skip
Next
Question # 11
If 4 sin
2
θ
=1, then values of
θ
are
Choose an answer
Previous
Skip
Next
Question # 12
Choose an answer
I and
I
I quadrants
I
I and
I
I
I quadrants
I
I and
I
V
quadrants
none of these
Previous
Skip
Next
Question # 13
cot
θ
= sin 2
θ
if
θ
=
Choose an answer
Previous
Skip
Next
Question # 14
Choose an answer
trigonometric equation
conditional equation
identity
None
Previous
Skip
Next
Question # 15
Choose an answer
none of these
Previous
Skip
Next
Question # 16
For Cosine Rule of any triangle ABC, b
2
is equal to
Choose an answer
a
2
- c
2
+ 2ab cos A
a
3
+ c
3
- 3ab cos A
a
2
+ c
2
- 2ac cos B
a
2
- c
2
4bc cos A
Previous
Skip
Next
Question # 17
The number of solution of the equation tan x + sec x = 2 cos x lying in the interval [0, 2
π
] is
Choose an answer
0
1
2
3
Previous
Skip
Next
Question # 18
The number of values of x in the interval [0, 5
π
] satisfying the equation 3 sin
2
x - 7 sinx + 2 = 0 is
Choose an answer
0
5
6
10
Previous
Skip
Next
Question # 19
Choose an answer
Previous
Skip
Next
Question # 20
Choose an answer
none of these
Previous
Skip
Next
Question # 21
Choose an answer
Previous
Skip
Next
Question # 22
Choose an answer
none of these
Previous
Skip
Next
Question # 23
The solution set of the equation 1 + Cos x = 0 is __________
Choose an answer
none of these
Previous
Skip
Next
Question # 24
The solution set of the equation 4 cos
2
x - 3 + 0 is
Choose an answer
none of these
Previous
Skip
Next
Question # 25
The smallest positive root of the equation tan x - x = 0 lies on
Choose an answer
Previous
Skip
Next
Question # 26
Choose an answer
Previous
Skip
Next
Question # 27
General solution of 1 + cos x = 0 is
Choose an answer
Previous
Skip
Next
Question # 28
Choose an answer
Previous
Skip
Next
Question # 29
The general solution of tan 3x = 1 is
Choose an answer
Previous
Skip
Next
Question # 30
Choose an answer
all
Previous
Skip
Next
Back
