If
sec2 – 1 = sin , which one of the following is a possible
value for ?
(A)
–
(B)
–
(C)
0
(D)
(E)
2.
Solve
the following equation: cos (sin–1(sin
60º)) ⁄ cos 30º = ?
(A)
(B)
(C)
(D)
(E)
3.
S and T are
the centers of their respective circles. The two circles are mutually
tangent at point U. If segment RS = d,
what is the radius of the smaller circle in terms of d and ?
(A)
cos
(B)
d sin
(C)
d(cos – sin )
(D)
d(sin – cos )
(E)
d(sin + cos )
4.
In
the triangle pictured below, what is the measure of BC?
(A)
12.89
(B)
13.79
(C)
14.45
(D)
17.71
(E)
17.94
5.
In
the triangle pictured below, what is ?
(A)
25.7º
(B)
31.2º
(C)
37.7º
(D)
39.5º
(E)
68.3º
6.
Which
of the following values is defined?
(A)
sin–1 2
(B)
tan
(C)
sec
(D)
tan–1 0
(E)
cot
7.
1
+ tan2x – cos2x –
cos2x tan2x is
equivalent to which of the following expressions?
– 1 = sin 
, which one of the following is a possible
value for 
?
?
cos 
– sin 
)
– cos 
)
+ cos 
)
