Answer
page
1) To convert to p radians,
multiply by p / 180.
a) 25p
/18 b)
-7p /6
c) 8p /9
d) -2p /3
2) To convert to degrees, multipy by 180/p
.
a) 240o
b) -120o
c) -330o
d) 315o
3) For these, you need to multiply by the value
of p and divide by 180.
a) 1.95
b) 4.41
c) 3.68
4) For these, you need to multiply by 180 and divide
by the value of p .
a) 103.1o or 103o10'
b) 200.5o or 200o30'
c) 138.1o or 138o0'
5) Add or subtract multiples of 360 or 2p
until you get the desired result!
a) 620o or 260o
and -100o
b) 600o25' and -119o35'
c) 10p /3 and -2p
/3
6) Draw a diagram!
7) Use the correct reference formula and
the signs from each of the quadrants.
a) - sin 5o
b) cos 40o
c) tan 35o
d) cot 70o
e) -sec .14
f) -csc 1.28
8) All calculator problems. Make sure you
are in the right mode!
a) .6088
b) -1.440
c) .5030
d) 1.325
d) -.2910
e) .6466
f) 2.646
g) -.3888
9) a) 58.2o
b) 106.3o
c) 10.7o
d) 87.2o
10) a) .51
b) .16
c) .86
d) 1.24
11) a) .4360
b) .9798
c) 1.341
12)
13) a)
b)
c)
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the exam.