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Standard X
Mathematics
Value of Standard Angle(30,60,90)
cos 60° = n...
Question
cos 60° =
A
0.5
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B
√
3
2
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C
√
3
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D
2
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Similar questions
Q.
2
cos
58
°
sin
32
°
-
3
cos
38
°
cosec
52
°
tan
15
°
tan
60
°
tan
75
°
Q.
(sin 60° cos 30° − cos 60° sin 30°) = ?
(a) 0
(b) 1
(c)
1
2
(d)
3
2
Q.
2
sin
2
63
°
+
1
+
2
sin
2
27
°
3
cos
2
17
°
-
2
+
3
cos
2
73
°
=
?
(a)
2
3
(b)
3
2
(c) 2
(d) 3
Q.
The value of (cos 60° cos 30° − sin 60° sin 30°) is
(a) 0
(b)
3
2
(c)
1
2
(d) 1
Q.
Evaluate:
2
(
cos
58
sin
32
)
−
√
3
(
cos
38
cos
e
c
52
tan
15
tan
60
tan
75
)
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