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 12 Trigonometric Functions and Identities Online Test MCQs With Answers
Question # 1
sin
α=
Choose an answer
2 sin
α
cos
α
2 sin
α
cos
β
2 sin
α
/2 cos
α
/2
1+ tan
2
α
/2
Previous
Skip
Next
Question # 2
If ΔABC is right triangle then the law of Cosines reduces to
Choose an answer
The Pythagoras Theorem
The law of Sines
The law of cosines
The law of tangents
Previous
Skip
Next
Question # 3
Cos (
α
+
β
) - cos (
α
-
β
) =
Choose an answer
-2 sin
α
sin
β
2 sin
α
cos
β
-2 sin
α
cos
α
4 sin
α
cos
β
Previous
Skip
Next
Question # 4
Choose an answer
Previous
Skip
Next
Question # 5
Choose an answer
Previous
Skip
Next
Question # 6
sec (-360°) = ______
Choose an answer
0
1
2
3
Previous
Skip
Next
Question # 7
Choose an answer
Previous
Skip
Next
Question # 8
sin 540° =
Choose an answer
0
1
2
3
Previous
Skip
Next
Question # 9
sin (
α
+
β
) - sin (
α -
β
) =
Choose an answer
4 cos
α
sin
β
2 cos
α
sin
β
4 cos
α
cos
β
4 sin
α
sin
β
Previous
Skip
Next
Question # 10
Choose an answer
Previous
Skip
Next
Question # 11
Which one is a pair of allied angles
Choose an answer
(180° -
θ)
(180° -
θ,
180° +
θ)
(180° +
θ)
None of these
Previous
Skip
Next
Question # 12
Choose an answer
Previous
Skip
Next
Question # 13
Choose an answer
Previous
Skip
Next
Question # 14
Distance between A(3, 8), B(5, 6) is
Choose an answer
Previous
Skip
Next
Question # 15
Choose an answer
Previous
Skip
Next
Question # 16
Choose an answer
Previous
Skip
Next
Question # 17
Choose an answer
Previous
Skip
Next
Question # 18
cos
4
θ
- sin
4
θ
=
Choose an answer
cos4
θ
cos2
θ
-sin
θ
sin2
θ
Previous
Skip
Next
Question # 19
Choose an answer
Previous
Skip
Next
Question # 20
Choose an answer
Previous
Skip
Next
Question # 21
Choose an answer
Previous
Skip
Next
Question # 22
Choose an answer
Previous
Skip
Next
Question # 23
Choose an answer
Previous
Skip
Next
Question # 24
Choose an answer
Previous
Skip
Next
Question # 25
Choose an answer
Previous
Skip
Next
Question # 26
With usual notations b2 = a2 + c2 -2ac cos is called______;
Choose an answer
None of these
Law of sines
Law of consines
Law of tangents
Previous
Skip
Next
Question # 27
Choose an answer
Previous
Skip
Next
Question # 28
Choose an answer
Previous
Skip
Next
Back
