Act Math Practice
ACT Math Scores Page - Improve your Trigonometry Score
Increase your ACT Math Scores on trigonometry problems by practicing with these free exercises:
1. Consider the laws of sines and cosines.
sin
2
= ?
A. 1 - cos
2
B. cos
2
- 1
C. tan
2
D. 1 - tan
2
E. tan
2
- 1
Trigonometry Answer 1
2. If cos
a
=
7
/
13
and sin
a
=
9
/
13
, then tan
a
= ?
F.
13
/
7
G.
13
/
9
H.
16
/
13
J.
7
/
9
K.
9
/
7
Trigonometry Answer 2
3. If
x
represents a real number, what is the greatest possible value of 4 sin 2
x
?
A. 2
B. 3
C. 4
D. 6
E. 12
Trigonometry Answer 3
4. Angles
Ð
A and
Ð
B each have measurements between 0° and 45°. If cos A = sin B, what is the sum of
Ð
A +
Ð
B ?
F. 15
G. 30
H. 45
J. 90
K. 180
Trigonometry Answer 4
5. In the figure below,
Ð
Y is a right angle and
Ð
X = 60°. If
YZ
is 5 units long, then how long is
XY
?
A. 5 units
B. 6 units
C. 15 units
D. 5
Ö
3
units
E. 30 units
Trigonometry Answer 5
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