Math 8
Final Exam
Name___________________________________
December 17, 2009
Ch. 2  6
MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or answers the question.
Solve the problem.
1) A surveyor is measuring the distance across a small lake. He has set up his transit on one side of the lake 110
feet from a piling that is directly across from a pier on the other side of the lake. From his transit, the angle
between the piling and the pier is 70°. What is the distance between the piling and the pier to the nearest foot?
A) 302 ft
B) 302 ft
A point on the terminal side of angle
Ό
is given. Find the exact value of the indicated trigonometric function.
2) (6, 8)
Find cos
Ό
.
Convert the angle to a decimal in degrees. Round the answer to two decimal places.
3) 317°47'52''
Find the exact value. Do not use a calculator.
4) cot 60°

sin 45°
Solve the problem.
5) What is the y

intercept of y
=
cot x?
1
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View Full Document6) What is the range of the sine function?
Use identities to find the exact value of the indicated trigonometric function of the acute angle
Ό
.
7)
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 Spring '08
 Staff
 Math, Trigonometry, 2J, Conic section, Euler's formula, 5°, 4j

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