Trigonometric Ratios (pp. 1 of 4)
Trigonometric Ratios (pp. 1 of 4)
Trigonometric Ratios (pp. 1 of 4)
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Practice Problems<br />
<strong>Trigonometric</strong> <strong>Ratios</strong> (<strong>pp</strong>. 4 <strong>of</strong> 4)<br />
1. Find the trigonometric ratios for both acute angles in fraction and decimal form.<br />
A<br />
2. Find the value to the nearest ten-thousandth.<br />
a. tan 25 o = x b. sin 85 o = x c. cos 32 o = x<br />
3. Find the measure <strong>of</strong> each angle to the nearest tenth <strong>of</strong> a degree.<br />
a. tan R = 9.4618 b. sin S = 0.4567 c. cos T = 0.7431<br />
4. Find the value <strong>of</strong> the variable in the following figures. Round answers to the nearest<br />
hundredth.<br />
a. b.<br />
x<br />
5<br />
13<br />
C B<br />
12<br />
c. d.<br />
40 o<br />
25<br />
x<br />
26 o<br />
90º<br />
50<br />
90º<br />
_<br />
Congruent sides are also parallel.<br />
Perimeter <strong>of</strong> quadrilateral = ________<br />
Geometry<br />
HS Mathematics<br />
Unit: 10 Lesson: 02<br />
©2009, TESCCC 08/01/09 page 52 <strong>of</strong> 60<br />
10<br />
35 o<br />
52 o<br />
x<br />
75
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