Math 1330
Homework 28 (7.1)
The homework problems come from the exercises in Chapter 7 of the online text.
Problem 7.1.4 refers to
problem 4 in Chapter 7, Section 1.
Record your answers to these problems in the EMCF titled
“
Homework 28
.”
Note:
Many of the homework problems in this assignment require the use of a calculator.
You are expected to
give answers rounded to the nearest hundredth or tenth as indicated in the problem.
However, any test problems
involving these concepts will involve angles whose sine, cosine and tangent you can compute without a
calculator.
You
WILL NOT
be allowed to use a calculator on the test OR final.
The problems on the test and
final will not require a calculator.
1.
Problem 7.1.4 a
A.
9
60
60
9
y
sin
tan
x
° =
° =
B.
9
9
60
60
cos
tan
x
y
° =
° =
C.
60
60
9
9
y
x
tan
cos
° =
° =
D.
9
30
60
9
y
cos
tan
x
° =
° =
E.
9
60
60
9
y
cos
tan
x
° =
° =
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 Fall '08
 Staff
 Math, Tan, Harshad number

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