Regents High School Examination - Algebra 2/trigonometry Answers - The University Of The State Of New York, 2011 Page 3

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4 Expressed as a function of a positive acute angle, cos (-30.5°) is equal
to
Use this space for
computations.
(1) -cos 5.5°
(3) -sin 55°
@cos55°
(4) sin 55°
5 The value of
x in the equation 42x
+
S
=
S3x
is
(2
~
LxH::
(J-~
' )
cr
(1) 1
(3) 5
®
2
(4) -10
J
<I
~
+}o -::
d--
q
X
It
)}Io ~
Of x'
10
~)~
6 What is the value of
x in the equation logs x
=
4?
(1)
1.16
@D625
1-<'
X
(2) 20
(4) 1,024
x~j~~bJ-5
7 The expression
~
16x
2
y
7
is equivalent to
1 7
(3) 4x2y4
Algehra 2rrrigonometry - June '11
[3]
[OVER]

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