1.Find the following functions correct to five decimal places:
a. sin 22° 43
b. cos 44° 56
c. sin 49° 17
d. tan 11° 37
e. sin 79° 23’ 30”
f. cot 19° 0’ 25”
g. tan 64 ° 6’ 45”
h. cos 29° 45’ 48”
i. cot 78° 45’ 48”
j. cos 15 ° 12’ 51”
2.Find the acute angle A to the nearest second when
a.sin A=0.30985
b. cot A= 0.52613
c.cos A=0.77273
d.tan A= 6.63831
e.sin A=0.10655
f.cos A= 0.55570
g.sin A= 0.92112
h.tan A=0.13476
i.cot A=0.32323
j.cos A= 0.75273
2006-12-01
14:46:11
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2 answers
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asked by
David Novorp
1
in
Science & Mathematics
➔ Mathematics