MCQs - Ch # 14: F.Sc Part 1
Merging man and maths
MCQs ? Ch # 14: F.Sc Part 1
Text Book of Algebra and Trigonometry Class XI
Available online at , Version: 1.0.0
Solutions of Trigonometric Equations
1. The solution set of sin2x=cos3x is
a) 2 + 2n 32 + 2n 10 + 2n 910 + 2n 1130 + 2n 1170 + 2n , n
b)
2
+ n
5 3
+
n
, n
c)
6
+ n
5 6
+
n
, n
d)
6
+
2n
56
+
2n
,
n
e) None of these
2. The solution set of 2cos2x=3sinx is
a)
6
+
2n
5 6
+
2n
,
n
b)
3
+
2n
5 3
+
2n
,
n
c)
6
+ n
5 6
+
n
, n
d)
6
+
2n
56
+
2n
,
n
e) None of these
3. The solution set of sin2x + cos2x = 2 is
a)
2
+
n
8
, n
b)
8
+
n
2
, n
c)
6
+
2n
5 6
+
2n
,
n
d)
6
+ n
5 6
+
n
, n
e) None of these
4. The solution set of sin2x+2sinx=2-cos2x is
a)
3
+
2n
53
+
2n
,
n
b)
3
+
n
5 3
+
2n
, n
MCQs ? Ch # 14: F.Sc Part 1
2
c)
6
+
2n
5 6
+
2n
,
n
d)
6
+
n
5 6
+
n
,
n
e) None of these
5. The solution set of sinx + cosx = 2 is
a)
4
+
n
, n
b)
4
+
2n
, n
c) 3 + 2n 53 + 2n ,n
d)
6
+
n
5 6
+
n
,
n
e) None of these
6. The solution set of sin x = 1 is 2
a)
3
+
2n
53
+
2n
,
n
b)
3
+
n
5 3
+
n
, n
c)
6
+
2n
5 6
+
2n , n
d)
6
+
n
5 6
+
n
, n
e) None of these
7. The solution set of sin2x = 1 + cos2x is
a)
2
+
2n
32
+
2n
10
+
2n
b)
2
+
n
3 2
+
n
4
+
2n
54
+
2n
,
n
c)
2
+
n
3 2
+
n
4
+
2n
5 4
+ n
, n
d)
2
+
2n
32
+
2n
4
+
n
54
+
n ,n
e) None of these
8. The solution set of sin4x = 1 + cos4x is
a)
2
+
2n
32
+
2n
10
+
2n
b)
2
+
n
3 2
+
n
4
+
2n
54
+
2n
,
n
Written by NAUMAN IDREES (nomi255@)
MCQs ? Ch # 14: F.Sc Part 1
3
c)
2
+ n
32
+
n
4
+ n
54
+
n
,
n
d)
2
+
2n
32
+
2n
4
+
n
54
+
n
,
n
e) None of these
9. The solution set of sin4x = 1 + cos4x is
a)
6
+
n
7 6
+
n
5 6
+
n
11 6
+
n ,n
b) 2 + 2n 32 + n 4 + 2n 54 + 2n ,n
c)
2
+ n
32
+
n
4
+ n
54
+
n
,
n
d)
4
+ n
34
+
n
8
+
n
2
58
+
n
2
,
n
e) None of these
********************************************* Made by : Nauman Idrees (nomi255@) FSc (Session: 2007-09) ICMS College System Hayatabad, Peshawar. Available online at
*********************************************
Written by NAUMAN IDREES (nomi255@)
................
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