cExams.net
Test # 107


1.
The value of cos 20 + cos 40 +cos 60+ ......+ cos 160 + cos 180 is:

Login/Register to access massive collection of FREE questions and answers.
Login/Register

Quantitative Aptitude
Quiz Index
1300 questions in 130 tests. Each test contains 10 questions.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130

Idiom of the Day

stumbling block
something that prevents or obstructs progress
The salary issue was a stumbling block in the negotiations between the company and the union.

Word of the Day

  • Benefits of Fennel Seeds
  • Present Value Annuity Calculator
  • Hair Accessories For Girls
  • Amazing Pakistani Mehndi Designs
  • Most Powerful Bikes
  • Sunil Bharti Mittal

  • Luxurious Hospitals Most Patients Would Kill To Die In

    Bumrungrad International Hospital Thailand

    Bumrungrad International Hospital is one of the most famous medical tourism destinations on the planet, and treats over 450,000 foreign patients each year from many different countries, including Denmark, the United States, China, and Sweden. The designs of the patient rooms use soothing colors and warm furnishings, such as natural woods and plush fabrics. With air conditioned walkways connecting several towers that comprise the main structure the hospital also includes two levels of restaurants and shopping areas.


    Chourishi Systems