Use this space for
/
23 The expression sin
2
e
+
cos
2
e
is equivalent to
-C
0<;
~e
(5"
(!'
G 'G"mputations.
1 -
sin
2
e
(1)
cos
2
e
@sec
2
e
(2)
sin
2
e
(4)
csc
2
e
24 The number ofminutes students took to complete a quiz is summarized
in the table below.
Minutes
14
15
16
17
18
19
20
Number of Students
5
3
x
5
2
10
1
J-t'f
k'
it)
4-~
/bX
F' >
36
/90
iJO
~ ~
l(
t f/6Y
If the mean number of minutes was 17, which equation could be used
to calculate the value of
x?
(1) 17
=
119
x
+
x
(3)
17
=
446
+
x
26
+
x
(2) 17
=
119
+
16x
~
17
=
446
+
1fu
x
( J
26
+x
25 What is the radian measure of the smaller angle formed by the hands
of a clock at 7 o'clock?
7T
@57T
(1)
2
6
(2)
27T
(4)
77T
3
6
Air
<iTT
5
.-
~
Jrl-
-Z
Algebra 2rrrigonometry - June '11
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